{"title":"BMW Performance","description":null,"products":[{"product_id":"exhaust-manifold-headers-bmw-2006-2013-bmw-n52-n51-e90-e91-e92-e93-e82-128i-325i-328i-330i","title":"Exhaust Manifold Headers BMW 2006-2013 BMW N52 N51 | E90 E91 E92 E93 E82 | 128i 325i 328i 330i","description":"\u003cdiv class=\"xkv-product-description\"\u003e\n\n  \u003cp\u003e\n    This exhaust manifold header set is designed for listed 2006__2013 BMW N51 \/ N52 naturally aspirated inline-6 applications, including compatible E82, E90, E91, E92, and E93 chassis models such as 128i, 325i, 328i, and 330i.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Built from T304 stainless steel with mandrel-bent tubing, welded construction, and O2 sensor extension components as listed, this header set is intended as an exhaust manifold upgrade for compatible BMW N51 \/ N52 applications. Final fitment, sound, exhaust sealing, drivability, and performance results may vary depending on the vehicle, engine variant, O2 sensor layout, emissions setup, installation quality, tuning or calibration, and supporting exhaust components.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eProduct Overview\u003c\/h3\u003e\n  \u003cp\u003e\n    This product is an exhaust manifold header set for compatible BMW N51 \/ N52 naturally aspirated inline-6 applications. It is not a turbo manifold, downpipe, catback system, full exhaust system, or universal header kit. Please verify your exact chassis, engine code, model year, O2 sensor layout, exhaust connection, and emissions requirements before purchase.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Listed 2006__2013 BMW N51 \/ N52 applications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatible Chassis:\u003c\/strong\u003e E82 \/ E90 \/ E91 \/ E92 \/ E93 as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e 128i \/ 325i \/ 328i \/ 330i as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Exhaust Manifold Headers\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e Naturally aspirated BMW inline-6 N51 \/ N52 applications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T304 stainless steel as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Mandrel-bent tubing and welded construction as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSensor Components:\u003c\/strong\u003e O2 sensor extensions included as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional installation strongly recommended\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e Off-road, racing, or closed-course use where emissions laws apply\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitment\u003c\/h3\u003e\n  \u003cp\u003e\n    Please use the table below to quickly confirm the main vehicle applications listed for this BMW header set. Before ordering, verify your exact model year, chassis code, engine code, emissions configuration, O2 sensor layout, and exhaust connection style.\n  \u003c\/p\u003e\n\n  \u003cdiv class=\"xkv-fitment-table-wrap\"\u003e\n    \u003ctable class=\"xkv-fitment-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eVehicle Name\u003c\/th\u003e\n          \u003cth\u003eYear\u003c\/th\u003e\n          \u003cth\u003eEngine\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 128i \/ E82\u003c\/td\u003e\n          \u003ctd\u003ePage-listed 2006__2013 range\u003c\/td\u003e\n          \u003ctd\u003eN51 \/ N52 naturally aspirated I6\u003c\/td\u003e\n          \u003ctd\u003eVerify exact year, chassis, engine code, O2 sensor layout, and exhaust connection\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 325i \/ E90 \/ E91 \/ E92 \/ E93\u003c\/td\u003e\n          \u003ctd\u003ePage-listed 2006__2013 range\u003c\/td\u003e\n          \u003ctd\u003eN51 \/ N52 naturally aspirated I6\u003c\/td\u003e\n          \u003ctd\u003eVerify exact chassis, emissions setup, and exhaust connection before purchase\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 328i \/ E90 \/ E91 \/ E92 \/ E93\u003c\/td\u003e\n          \u003ctd\u003ePage-listed 2006__2013 range\u003c\/td\u003e\n          \u003ctd\u003eN51 \/ N52 naturally aspirated I6\u003c\/td\u003e\n          \u003ctd\u003eVerify exact chassis, emissions setup, and O2 sensor configuration\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 330i \/ E90 \/ E91 \/ E92 \/ E93\u003c\/td\u003e\n          \u003ctd\u003ePage-listed 2006__2013 range\u003c\/td\u003e\n          \u003ctd\u003eN51 \/ N52 naturally aspirated I6\u003c\/td\u003e\n          \u003ctd\u003eVerify exact model, chassis, engine code, and exhaust layout\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xkv-fitment-note\"\u003e\n    \u003cstrong\u003eFitment Note:\u003c\/strong\u003e This table is based on the fitment information currently listed for this product. BMW N51 \/ N52 fitment can vary by chassis, model year, emissions configuration, O2 sensor layout, and exhaust connection. Please verify your exact vehicle configuration before purchase.\n  \u003c\/div\u003e\n\n  \u003ch3\u003ePackage Includes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW N51 \/ N52 exhaust manifold header components as shown\u003c\/li\u003e\n    \u003cli\u003eGaskets included as shown or listed\u003c\/li\u003e\n    \u003cli\u003eHardware included as shown or listed\u003c\/li\u003e\n    \u003cli\u003eO2 sensor extension components included as listed\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Please review the product photos and listing details before installation. Confirm all included headers, gaskets, hardware, O2 sensor extensions, and connection components against the received package before beginning installation.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eProfessional installation is strongly recommended.\u003c\/li\u003e\n    \u003cli\u003eTest fit all components before final tightening.\u003c\/li\u003e\n    \u003cli\u003eVerify cylinder head flange alignment, gasket seating, O2 sensor placement, wiring reach, and downstream exhaust connection before installation.\u003c\/li\u003e\n    \u003cli\u003eCheck clearance around the engine bay, steering components, subframe, heat shields, wiring, sensors, and surrounding exhaust components.\u003c\/li\u003e\n    \u003cli\u003eO2 sensor extensions are included as listed, but sensor routing and wiring clearance should still be verified during installation.\u003c\/li\u003e\n    \u003cli\u003eSome vehicles may require additional adjustment, compatible exhaust components, or supporting calibration depending on the emissions and sensor setup.\u003c\/li\u003e\n    \u003cli\u003eInspect all exhaust connections for leaks after installation and recheck fasteners after initial heat cycles where appropriate.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eBefore You Buy\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eThis product is intended for listed BMW N51 \/ N52 naturally aspirated applications only.\u003c\/li\u003e\n    \u003cli\u003eThis is an exhaust manifold header set, not a turbo manifold, downpipe, full exhaust system, catback system, or universal header kit.\u003c\/li\u003e\n    \u003cli\u003ePlease verify your exact model year, chassis code, engine code, O2 sensor layout, exhaust connection, and emissions setup before purchase.\u003c\/li\u003e\n    \u003cli\u003eThis product may alter factory exhaust or emissions-related components depending on the vehicle configuration.\u003c\/li\u003e\n    \u003cli\u003eThis product is intended for off-road, racing, or closed-course use where emissions laws apply.\u003c\/li\u003e\n    \u003cli\u003eThis product is not represented as street legal, emissions-compliant, CARB-compliant, or legal for public road use unless explicitly stated.\u003c\/li\u003e\n    \u003cli\u003ePerformance gains, sound changes, exhaust flow changes, fitment, and drivability results are not guaranteed and may vary by setup.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n  .xkv-product-description {\n    font-family: Arial, sans-serif;\n    line-height: 1.5;\n    color: #333;\n  }\n\n  .xkv-product-description h3 {\n    margin-top: 28px;\n    margin-bottom: 12px;\n    color: #062E94;\n    font-size: 20px;\n    font-weight: 700;\n  }\n\n  .xkv-product-description p {\n    margin-bottom: 14px;\n  }\n\n  .xkv-product-description ul {\n    margin: 0 0 18px 20px;\n    padding: 0;\n  }\n\n  .xkv-product-description li {\n    margin-bottom: 8px;\n  }\n\n  .xkv-fitment-table-wrap {\n    width: 100%;\n    overflow-x: auto;\n    margin: 18px 0 20px;\n    border: 1px solid #d9dde5;\n    border-radius: 8px;\n    box-shadow: 0 2px 10px rgba(0,0,0,0.04);\n  }\n\n  .xkv-fitment-table {\n    width: 100%;\n    min-width: 760px;\n    border-collapse: collapse;\n    background: #fff;\n  }\n\n  .xkv-fitment-table th,\n  .xkv-fitment-table td {\n    border-right: 1px solid #e0e0e0;\n    border-top: 1px solid #e5e5e5;\n    padding: 13px 14px;\n    font-size: 15px;\n    line-height: 1.45;\n    text-align: left;\n    color: #444;\n  }\n\n  .xkv-fitment-table th:last-child,\n  .xkv-fitment-table td:last-child {\n    border-right: none;\n  }\n\n  .xkv-fitment-table thead th {\n    background-color: #2f4053;\n    color: #ffffff;\n    font-weight: 700;\n    text-transform: uppercase;\n    border-top: none;\n    border-right: 1px solid #1f2b39;\n  }\n\n  .xkv-fitment-table thead th:last-child {\n    border-right: none;\n  }\n\n  .xkv-fitment-table tbody tr:nth-child(even) {\n    background-color: #fafafa;\n  }\n\n  .xkv-fitment-table tbody tr:hover {\n    background-color: #f5f8fc;\n  }\n\n  .xkv-fitment-note {\n    margin: 14px 0 24px;\n    padding: 14px 16px;\n    background-color: #f8fafd;\n    border-left: 4px solid #062E94;\n    color: #333;\n    font-size: 14px;\n    line-height: 1.65;\n  }\n\n  @media (max-width: 768px) {\n    .xkv-product-description h3 {\n      font-size: 18px;\n    }\n\n    .xkv-product-description p,\n    .xkv-product-description li,\n    .xkv-fitment-table th,\n    .xkv-fitment-table td {\n      font-size: 14px;\n    }\n\n    .xkv-fitment-table th,\n    .xkv-fitment-table td {\n      padding: 11px 12px;\n    }\n\n    .xkv-fitment-table {\n      min-width: 720px;\n    }\n\n    .xkv-fitment-note {\n      font-size: 13px;\n      line-height: 1.6;\n    }\n  }\n\n  @media (max-width: 480px) {\n    .xkv-product-description h3 {\n      font-size: 17px;\n    }\n\n    .xkv-fitment-table {\n      min-width: 700px;\n    }\n  }\n\u003c\/style\u003e","brand":"XKVracing","offers":[{"title":"Default Title","offer_id":47887650455722,"sku":"XKV11239","price":197.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9506\/3722\/files\/0_0007_MT001310_11239SAS_Main_Image_No_Color_Box.webp?v=1770002257"},{"product_id":"2012-2014-turbo-catless-downpipe-exhaust-for-12-14-bmw-n20-328i-330i-f30-l4-2-0l-2-0t-ss","title":"2012-2016 BMW 228i 320i 328i 428i N20 2.0T 4 Inch Catless Downpipe","description":"\u003cdiv class=\"xkv-product-description\"\u003e\n\n  \u003c!-- INTRO --\u003e\n  \u003cdiv class=\"xkv-intro\"\u003e\n    \u003cp class=\"xkv-intro__lead\"\u003e\n      This 4 inch catless turbo downpipe is designed for selected\n      \u003cstrong\u003e2012-2016 BMW F2X and F3X applications equipped with the N20 2.0L turbo engine\u003c\/strong\u003e,\n      including compatible 228i, 320i, 328i and 428i models.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Built from T304 stainless steel with TIG-welded construction, two O2 sensor ports\n      and an integrated flexible coupling, the downpipe uses a\n      \u003cstrong\u003e4 inch nominal turbo-side inlet\u003c\/strong\u003e with a\n      \u003cstrong\u003e3.8 inch ID \/ 4.6 inch OD V-band connection\u003c\/strong\u003e.\n      The pipe transitions toward the downstream exhaust connection and is\n      \u003cstrong\u003enot a uniform 4 inch pipe from end to end\u003c\/strong\u003e.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\n  \u003c!-- QUICK PRODUCT CARDS --\u003e\n  \u003cdiv class=\"xkv-quick-grid\"\u003e\n\n    \u003cdiv class=\"xkv-quick-card\"\u003e\n      \u003cspan class=\"xkv-quick-card__label\"\u003eFITMENT CORE\u003c\/span\u003e\n      \u003cstrong\u003eBMW F2X \/ F3X\u003c\/strong\u003e\n      \u003cp\u003eSelected 228i, 320i, 328i and 428i applications with the N20 2.0T engine.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-quick-card\"\u003e\n      \u003cspan class=\"xkv-quick-card__label\"\u003ePRODUCT TYPE\u003c\/span\u003e\n      \u003cstrong\u003e4\" Catless Downpipe\u003c\/strong\u003e\n      \u003cp\u003ePerformance turbo downpipe with a 4 inch nominal turbo-side inlet.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-quick-card\"\u003e\n      \u003cspan class=\"xkv-quick-card__label\"\u003eCONSTRUCTION\u003c\/span\u003e\n      \u003cstrong\u003eT304 Stainless Steel\u003c\/strong\u003e\n      \u003cp\u003eDual O2 ports, TIG-welded construction and integrated flexible coupling.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003c!-- IMPORTANT ENGINE NOTE --\u003e\n  \u003cdiv class=\"xkv-alert\"\u003e\n    \u003cdiv class=\"xkv-alert__title\"\u003eImportant __ Verify N20 vs. N26 Before Ordering\u003c\/div\u003e\n    \u003cp\u003e\n      This downpipe is designed for compatible vehicles equipped with the\n      \u003cstrong\u003eBMW N20 2.0L turbo engine\u003c\/strong\u003e.\n      It is \u003cstrong\u003enot compatible with N26 SULEV applications\u003c\/strong\u003e.\n      BMW model name alone is not sufficient to confirm fitment because some\n      228i, 320i, 328i and 428i applications may use a different emissions or engine configuration.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\n  \u003c!-- KEY DETAILS --\u003e\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n\n  \u003cdiv class=\"xkv-spec-grid\"\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eProduct Type\u003c\/span\u003e\n      \u003cstrong\u003eCatless Turbo Downpipe\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eEngine\u003c\/span\u003e\n      \u003cstrong\u003eBMW N20 2.0L Turbo I4\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eApplication Family\u003c\/span\u003e\n      \u003cstrong\u003eBMW F2X \/ F3X\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eModels\u003c\/span\u003e\n      \u003cstrong\u003e228i \/ 320i \/ 328i \/ 428i\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eTurbo-Side Inlet\u003c\/span\u003e\n      \u003cstrong\u003e4\" Nominal\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eV-Band Connection\u003c\/span\u003e\n      \u003cstrong\u003e3.8\" ID \/ 4.6\" OD\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eO2 Sensor Ports\u003c\/span\u003e\n      \u003cstrong\u003e2\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eFlexible Coupling\u003c\/span\u003e\n      \u003cstrong\u003eIntegrated\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eMaterial\u003c\/span\u003e\n      \u003cstrong\u003eT304 Stainless Steel\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eConstruction\u003c\/span\u003e\n      \u003cstrong\u003eTIG Welded\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eIncluded\u003c\/span\u003e\n      \u003cstrong\u003e1 _ Downpipe\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-spec-item\"\u003e\n      \u003cspan\u003eEngine Exclusion\u003c\/span\u003e\n      \u003cstrong\u003eN26 \/ SULEV\u003c\/strong\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003c!-- FITMENT --\u003e\n  \u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\n  \u003cp\u003e\n    This downpipe is intended for selected BMW F2X and F3X passenger-car applications\n    equipped with the N20 2.0L turbo engine.\n    Model years vary by chassis and drivetrain, so confirm your exact vehicle and engine\n    configuration before ordering.\n  \u003c\/p\u003e\n\n  \u003cdiv class=\"xkv-fitment-table-wrap\"\u003e\n    \u003ctable class=\"xkv-fitment-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBMW Model\u003c\/th\u003e\n          \u003cth\u003eChassis\u003c\/th\u003e\n          \u003cth\u003eApplication Years\u003c\/th\u003e\n          \u003cth\u003eEngine\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n\n      \u003ctbody\u003e\n\n        \u003ctr\u003e\n          \u003ctd\u003e\n            \u003cstrong\u003e228i \/ 228i xDrive\u003c\/strong\u003e\n          \u003c\/td\u003e\n          \u003ctd\u003eF22 \/ F23\u003c\/td\u003e\n          \u003ctd\u003eSelected 2014-2016 applications\u003c\/td\u003e\n          \u003ctd\u003eN20 2.0L Turbo\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd\u003e\n            \u003cstrong\u003e320i \/ 320i xDrive\u003c\/strong\u003e\n          \u003c\/td\u003e\n          \u003ctd\u003eF30\u003c\/td\u003e\n          \u003ctd\u003eSelected 2013-2016 applications\u003c\/td\u003e\n          \u003ctd\u003eN20 2.0L Turbo\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd\u003e\n            \u003cstrong\u003e328i \/ 328i xDrive\u003c\/strong\u003e\n          \u003c\/td\u003e\n          \u003ctd\u003eF30\u003c\/td\u003e\n          \u003ctd\u003eSelected 2012-2016 applications\u003c\/td\u003e\n          \u003ctd\u003eN20 2.0L Turbo\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd\u003e\n            \u003cstrong\u003e328i xDrive Wagon \/ Gran Turismo\u003c\/strong\u003e\n          \u003c\/td\u003e\n          \u003ctd\u003eF31 \/ F34\u003c\/td\u003e\n          \u003ctd\u003eSelected 2012-2016 applications\u003c\/td\u003e\n          \u003ctd\u003eN20 2.0L Turbo\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd\u003e\n            \u003cstrong\u003e428i \/ 428i xDrive\u003c\/strong\u003e\n          \u003c\/td\u003e\n          \u003ctd\u003eF32 \/ F33 \/ F36\u003c\/td\u003e\n          \u003ctd\u003eSelected 2014-2016 applications\u003c\/td\u003e\n          \u003ctd\u003eN20 2.0L Turbo\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n\n  \u003cdiv class=\"xkv-fitment-note\"\u003e\n    \u003cstrong\u003eFitment Note:\u003c\/strong\u003e\n    Fitment is determined by the combination of\n    \u003cstrong\u003emodel, chassis, model year and N20 engine configuration\u003c\/strong\u003e.\n    Do not confirm compatibility by model name alone.\n    This product is not compatible with N26 SULEV applications.\n    Please verify the turbo-side V-band connection, O2 sensor layout\n    and downstream exhaust connection before purchase.\n  \u003c\/div\u003e\n\n\n  \u003c!-- N20 \/ N26 --\u003e\n  \u003cdiv class=\"xkv-engine-check\"\u003e\n\n    \u003cdiv class=\"xkv-engine-check__heading\"\u003e\n      Not Sure Whether Your BMW Has an N20 or N26?\n    \u003c\/div\u003e\n\n    \u003cp\u003e\n      Some BMW F-chassis vehicles were offered with either N20 or N26 engine configurations\n      depending on model year, emissions specification and market.\n      Because the turbo downpipe connection can differ, engine verification is required.\n    \u003c\/p\u003e\n\n    \u003cul\u003e\n      \u003cli\u003eCheck your vehicle information and engine identification before ordering.\u003c\/li\u003e\n      \u003cli\u003eDo not rely only on the 228i, 320i, 328i or 428i model badge.\u003c\/li\u003e\n      \u003cli\u003eIf your vehicle is identified as an N26 \/ SULEV application, this downpipe is not compatible.\u003c\/li\u003e\n      \u003cli\u003eIf you are unsure, contact us with your year, model, chassis and engine information before purchase.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n  \u003c\/div\u003e\n\n\n  \u003c!-- PACKAGE --\u003e\n  \u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e1 _ Catless Turbo Downpipe\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    Only the downpipe and components visibly attached to it are confirmed as included.\n    Please contact us before ordering if you need confirmation regarding separate gaskets,\n    clamps, bolts or other installation hardware.\n  \u003c\/p\u003e\n\n\n  \u003c!-- INSTALLATION --\u003e\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\n  \u003cdiv class=\"xkv-install-grid\"\u003e\n\n    \u003cdiv class=\"xkv-install-card\"\u003e\n      \u003cstrong\u003eBefore Installation\u003c\/strong\u003e\n      \u003cul\u003e\n        \u003cli\u003eConfirm the vehicle uses the N20 engine rather than the N26.\u003c\/li\u003e\n        \u003cli\u003eCompare the turbo-side V-band connection with your original downpipe.\u003c\/li\u003e\n        \u003cli\u003eConfirm O2 sensor locations and downstream exhaust connection.\u003c\/li\u003e\n        \u003cli\u003eTest fit all connections before final tightening.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"xkv-install-card\"\u003e\n      \u003cstrong\u003eDuring Installation\u003c\/strong\u003e\n      \u003cul\u003e\n        \u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n        \u003cli\u003eNo installation instructions are included.\u003c\/li\u003e\n        \u003cli\u003eCheck clearance around the turbo, firewall, transmission area and underbody.\u003c\/li\u003e\n        \u003cli\u003eKeep wiring and O2 sensor harnesses away from heat and moving components.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003cp\u003e\n    Old, rusted or seized factory exhaust hardware may increase installation difficulty.\n    After installation, inspect all exhaust connections for leaks and recheck applicable\n    clamps or fasteners after initial heat cycles.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Catless downpipe installation may require compatible tuning, calibration or\n    sensor-related solutions depending on the vehicle setup.\n    Incorrect sensor configuration, calibration or exhaust sealing may cause warning lights,\n    engine codes, drivability issues or failed readiness checks.\n  \u003c\/p\u003e\n\n\n  \u003c!-- BEFORE YOU BUY --\u003e\n  \u003cdiv class=\"xkv-before-buy\"\u003e\n\n    \u003cdiv class=\"xkv-before-buy__eyebrow\"\u003eBEFORE YOU BUY\u003c\/div\u003e\n    \u003cdiv class=\"xkv-before-buy__heading\"\u003e\n      Confirm Your Engine and Connection Layout\n    \u003c\/div\u003e\n\n    \u003cul\u003e\n      \u003cli\u003e\n        Designed for selected 2012-2016 BMW F2X \/ F3X 228i, 320i, 328i and 428i\n        applications equipped with the \u003cstrong\u003eN20 2.0L turbo engine\u003c\/strong\u003e.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        \u003cstrong\u003eNot compatible with N26 SULEV applications.\u003c\/strong\u003e\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        The 4 inch specification refers to the nominal turbo-side inlet area;\n        this is not a uniform 4 inch pipe from end to end.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        Turbo-side V-band connection is listed as\n        \u003cstrong\u003e3.8\" ID \/ 4.6\" OD\u003c\/strong\u003e.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        Verify model year, chassis, engine, drivetrain, V-band connection,\n        O2 sensor layout and downstream exhaust connection before purchase.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        This product does not include a catalytic converter and may alter\n        emissions-related exhaust components.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        Compatible tuning, calibration or sensor-related solutions may be required\n        depending on vehicle configuration.\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        Intended for off-road, racing, competition or closed-course use where applicable.\n        Check local regulations before installation.\n      \u003c\/li\u003e\n\n    \u003c\/ul\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\n\u003cstyle\u003e\n\n  .xkv-product-description {\n    --xkv-blue: #062E94;\n    --xkv-dark: #1f2937;\n    --xkv-text: #333333;\n    --xkv-muted: #667085;\n    --xkv-border: #dfe3ea;\n    --xkv-light: #f7f9fc;\n    --xkv-soft-blue: #f4f7fd;\n\n    font-family: Arial, sans-serif;\n    line-height: 1.6;\n    color: var(--xkv-text);\n  }\n\n\n  .xkv-product-description p {\n    margin: 0 0 15px;\n  }\n\n\n  .xkv-product-description h3 {\n    margin: 32px 0 14px;\n    color: var(--xkv-blue);\n    font-size: 20px;\n    line-height: 1.3;\n    font-weight: 700;\n  }\n\n\n  .xkv-product-description ul {\n    margin: 0 0 18px 20px;\n    padding: 0;\n  }\n\n\n  .xkv-product-description li {\n    margin-bottom: 8px;\n  }\n\n\n  \/* INTRO *\/\n\n  .xkv-intro {\n    margin-bottom: 20px;\n  }\n\n\n  .xkv-intro__lead {\n    font-size: 16px;\n    line-height: 1.65;\n  }\n\n\n  \/* QUICK CARDS *\/\n\n  .xkv-quick-grid {\n    display: grid;\n    grid-template-columns: repeat(3, minmax(0, 1fr));\n    gap: 12px;\n    margin: 22px 0;\n  }\n\n\n  .xkv-quick-card {\n    border: 1px solid var(--xkv-border);\n    border-radius: 9px;\n    padding: 16px;\n    background: #ffffff;\n  }\n\n\n  .xkv-quick-card__label {\n    display: block;\n    margin-bottom: 7px;\n    color: var(--xkv-blue);\n    font-size: 11px;\n    line-height: 1.2;\n    font-weight: 700;\n    letter-spacing: .08em;\n  }\n\n\n  .xkv-quick-card strong {\n    display: block;\n    margin-bottom: 7px;\n    color: var(--xkv-dark);\n    font-size: 16px;\n  }\n\n\n  .xkv-quick-card p {\n    margin: 0;\n    color: var(--xkv-muted);\n    font-size: 13px;\n    line-height: 1.5;\n  }\n\n\n  \/* IMPORTANT ALERT *\/\n\n  .xkv-alert {\n    margin: 22px 0 28px;\n    padding: 16px 18px;\n    background: var(--xkv-soft-blue);\n    border: 1px solid #d5dff5;\n    border-left: 4px solid var(--xkv-blue);\n    border-radius: 7px;\n  }\n\n\n  .xkv-alert__title {\n    margin-bottom: 7px;\n    color: var(--xkv-blue);\n    font-weight: 700;\n    font-size: 15px;\n  }\n\n\n  .xkv-alert p {\n    margin: 0;\n    font-size: 14px;\n  }\n\n\n  \/* SPEC GRID *\/\n\n  .xkv-spec-grid {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    border: 1px solid var(--xkv-border);\n    border-radius: 9px;\n    overflow: hidden;\n    background: #ffffff;\n    margin-bottom: 24px;\n  }\n\n\n  .xkv-spec-item {\n    padding: 13px 15px;\n    border-bottom: 1px solid var(--xkv-border);\n  }\n\n\n  .xkv-spec-item:nth-child(odd) {\n    border-right: 1px solid var(--xkv-border);\n  }\n\n\n  .xkv-spec-item:nth-last-child(-n+2) {\n    border-bottom: none;\n  }\n\n\n  .xkv-spec-item span {\n    display: block;\n    margin-bottom: 3px;\n    color: var(--xkv-muted);\n    font-size: 12px;\n  }\n\n\n  .xkv-spec-item strong {\n    color: var(--xkv-dark);\n    font-size: 14px;\n    font-weight: 700;\n  }\n\n\n  \/* FITMENT TABLE *\/\n\n  .xkv-fitment-table-wrap {\n    width: 100%;\n    overflow-x: auto;\n    margin: 18px 0 18px;\n    border: 1px solid var(--xkv-border);\n    border-radius: 9px;\n    box-shadow: 0 2px 10px rgba(0,0,0,.04);\n  }\n\n\n  .xkv-fitment-table {\n    width: 100%;\n    min-width: 720px;\n    border-collapse: collapse;\n    background: #ffffff;\n  }\n\n\n  .xkv-fitment-table th,\n  .xkv-fitment-table td {\n    padding: 13px 14px;\n    border-right: 1px solid #e2e6eb;\n    border-top: 1px solid #e6e9ee;\n    text-align: left;\n    vertical-align: top;\n    font-size: 14px;\n    line-height: 1.45;\n  }\n\n\n  .xkv-fitment-table th:last-child,\n  .xkv-fitment-table td:last-child {\n    border-right: none;\n  }\n\n\n  .xkv-fitment-table thead th {\n    border-top: none;\n    background: #2f4053;\n    color: #ffffff;\n    font-size: 13px;\n    font-weight: 700;\n    text-transform: uppercase;\n  }\n\n\n  .xkv-fitment-table tbody tr:nth-child(even) {\n    background: #fafbfc;\n  }\n\n\n  .xkv-fitment-table tbody tr:hover {\n    background: #f5f8fc;\n  }\n\n\n  \/* FITMENT NOTE *\/\n\n  .xkv-fitment-note {\n    margin: 14px 0 26px;\n    padding: 14px 16px;\n    background: var(--xkv-light);\n    border-left: 4px solid var(--xkv-blue);\n    color: var(--xkv-text);\n    font-size: 14px;\n    line-height: 1.65;\n  }\n\n\n  \/* ENGINE CHECK *\/\n\n  .xkv-engine-check {\n    margin: 22px 0 28px;\n    padding: 18px;\n    border: 1px solid var(--xkv-border);\n    border-radius: 9px;\n    background: #ffffff;\n  }\n\n\n  .xkv-engine-check__heading {\n    margin-bottom: 9px;\n    color: var(--xkv-dark);\n    font-size: 17px;\n    font-weight: 700;\n  }\n\n\n  .xkv-engine-check ul {\n    margin-bottom: 0;\n  }\n\n\n  \/* INSTALL *\/\n\n  .xkv-install-grid {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 12px;\n    margin-bottom: 18px;\n  }\n\n\n  .xkv-install-card {\n    padding: 16px 17px;\n    background: var(--xkv-light);\n    border: 1px solid var(--xkv-border);\n    border-radius: 9px;\n  }\n\n\n  .xkv-install-card strong {\n    display: block;\n    margin-bottom: 9px;\n    color: var(--xkv-dark);\n    font-size: 15px;\n  }\n\n\n  .xkv-install-card ul {\n    margin-bottom: 0;\n  }\n\n\n  \/* BEFORE YOU BUY *\/\n\n  .xkv-before-buy {\n    margin-top: 32px;\n    padding: 22px 20px;\n    background: #202d3d;\n    color: #ffffff;\n    border-radius: 10px;\n  }\n\n\n  .xkv-before-buy__eyebrow {\n    margin-bottom: 6px;\n    color: #cbd7f5;\n    font-size: 11px;\n    font-weight: 700;\n    letter-spacing: .10em;\n  }\n\n\n  .xkv-before-buy__heading {\n    margin-bottom: 15px;\n    font-size: 19px;\n    line-height: 1.35;\n    font-weight: 700;\n  }\n\n\n  .xkv-before-buy ul {\n    margin-bottom: 0;\n  }\n\n\n  .xkv-before-buy li {\n    color: #f1f4f8;\n  }\n\n\n  .xkv-before-buy strong {\n    color: #ffffff;\n  }\n\n\n  \/* MOBILE *\/\n\n  @media (max-width: 768px) {\n\n    .xkv-product-description h3 {\n      margin-top: 27px;\n      font-size: 18px;\n    }\n\n\n    .xkv-product-description p,\n    .xkv-product-description li {\n      font-size: 14px;\n    }\n\n\n    .xkv-quick-grid,\n    .xkv-install-grid {\n      grid-template-columns: 1fr;\n    }\n\n\n    .xkv-spec-grid {\n      grid-template-columns: 1fr;\n    }\n\n\n    .xkv-spec-item,\n    .xkv-spec-item:nth-child(odd) {\n      border-right: none;\n      border-bottom: 1px solid var(--xkv-border);\n    }\n\n\n    .xkv-spec-item:last-child {\n      border-bottom: none;\n    }\n\n\n    .xkv-fitment-table {\n      min-width: 670px;\n    }\n\n\n    .xkv-fitment-table th,\n    .xkv-fitment-table td {\n      padding: 11px 12px;\n      font-size: 13px;\n    }\n\n\n    .xkv-alert,\n    .xkv-engine-check,\n    .xkv-before-buy {\n      padding: 16px;\n    }\n\n  }\n\n\n  @media (max-width: 480px) {\n\n    .xkv-intro__lead {\n      font-size: 15px;\n    }\n\n\n    .xkv-fitment-table {\n      min-width: 640px;\n    }\n\n\n    .xkv-before-buy__heading {\n      font-size: 18px;\n    }\n\n  }\n\n\u003c\/style\u003e","brand":"XKVracing","offers":[{"title":"Default Title","offer_id":47887652946090,"sku":"XKV21068","price":113.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9506\/3722\/files\/0_0085_MT001158_DP29347_21068SAS_Main_Image.webp?v=1769848596"},{"product_id":"2016-bmw-b58-4-5-catless-downpipe-fits-f30-340i-g20-m340i-m240i-540i-x3-m40i-30hp","title":"BMW B58 4.5\" Catless Downpipe for F30\/F34 340i, M240i, 440i, 540i \u0026 X3 M40i","description":"\n\u003cdiv class=\"xkv21076-pdp\"\u003e\n\n  \u003c!-- Product Introduction --\u003e\n  \u003cdiv class=\"xkv21076-intro\"\u003e\n    \u003cp\u003e\n      This 4.5-inch catless downpipe is designed for selected BMW\n      B58 3.0L turbocharged inline-six applications. Fitment covers\n      listed BMW 340i, M240i, 440i and selected early B58-powered\n      540i, 740i, X3 M40i and X4 M40i models.\n    \u003c\/p\u003e\n    \u003cp\u003e\n      Built with T304 stainless steel tubing, TIG-welded joints,\n      smooth-radius bends and a CNC-machined flange, this\n      application-specific downpipe is intended for compatible\n      turbo-side and downstream exhaust connections.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- At-a-Glance Specifications --\u003e\n  \u003cdiv class=\"xkv21076-spec-cards\"\u003e\n    \u003cdiv class=\"xkv21076-spec-card\"\u003e\n      \u003cspan\u003eEngine\u003c\/span\u003e\n      \u003cstrong\u003eBMW B58 3.0L Turbo\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"xkv21076-spec-card\"\u003e\n      \u003cspan\u003eProduct Type\u003c\/span\u003e\n      \u003cstrong\u003eCatless Downpipe\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"xkv21076-spec-card\"\u003e\n      \u003cspan\u003eNominal Diameter\u003c\/span\u003e\n      \u003cstrong\u003e4.5 Inch\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"xkv21076-spec-card\"\u003e\n      \u003cspan\u003eMaterial\u003c\/span\u003e\n      \u003cstrong\u003eT304 Stainless Steel\u003c\/strong\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Product Features --\u003e\n  \u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul class=\"xkv21076-features\"\u003e\n    \u003cli\u003e\n      \u003cstrong\u003eVehicle-Specific Design:\u003c\/strong\u003e\n      Intended for the selected BMW B58 applications listed\n      in the fitment tables below.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cstrong\u003eStainless Steel Construction:\u003c\/strong\u003e\n      T304 stainless steel tubing with TIG-welded joints.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cstrong\u003eTube and Flange Design:\u003c\/strong\u003e\n      Smooth-radius tubing bends and a CNC-machined flange.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cstrong\u003eCatless Configuration:\u003c\/strong\u003e\n      One replacement downpipe assembly without an\n      integrated catalytic converter.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- Vehicle Fitment --\u003e\n  \u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n  \u003cp\u003e\n    This downpipe is listed for selected BMW B58 3.0L turbo\n    applications. Match your exact model year, chassis, engine\n    version and exhaust connections before ordering.\n  \u003c\/p\u003e\n\n  \u003c!-- F-Series --\u003e\n  \u003ch4\u003eBMW F-Series Applications\u003c\/h4\u003e\n\n  \u003cdiv class=\"xkv21076-table-wrap\"\u003e\n    \u003ctable class=\"xkv21076-fitment-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eVehicle\u003c\/th\u003e\n          \u003cth\u003eModel Years\u003c\/th\u003e\n          \u003cth\u003eChassis\u003c\/th\u003e\n          \u003cth\u003eEngine \/ Notes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 340i \/ 340i xDrive\u003c\/td\u003e\n          \u003ctd\u003e2016__2018\u003c\/td\u003e\n          \u003ctd\u003eF30\u003c\/td\u003e\n          \u003ctd\u003eB58 3.0L Turbo\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 340i xDrive Gran Turismo\u003c\/td\u003e\n          \u003ctd\u003e2017__2019\u003c\/td\u003e\n          \u003ctd\u003eF34\u003c\/td\u003e\n          \u003ctd\u003eB58 3.0L Turbo\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW M240i \/ M240i xDrive\u003c\/td\u003e\n          \u003ctd\u003e2017__2021\u003c\/td\u003e\n          \u003ctd\u003eF22\u003c\/td\u003e\n          \u003ctd\u003eSelected B58 Coupe applications\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 440i \/ 440i xDrive\u003c\/td\u003e\n          \u003ctd\u003e2017__2020\u003c\/td\u003e\n          \u003ctd\u003eF32 \/ F33 \/ F36\u003c\/td\u003e\n          \u003ctd\u003e\n            Selected B58 Coupe,\n            Convertible and Gran Coupe\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Early G-Series --\u003e\n  \u003ch4\u003eSelected Early BMW G-Series Applications\u003c\/h4\u003e\n\n  \u003cdiv class=\"xkv21076-table-wrap\"\u003e\n    \u003ctable class=\"xkv21076-fitment-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eVehicle\u003c\/th\u003e\n          \u003cth\u003eModel Years\u003c\/th\u003e\n          \u003cth\u003eChassis\u003c\/th\u003e\n          \u003cth\u003eEngine \/ Notes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 540i \/ 540i xDrive\u003c\/td\u003e\n          \u003ctd\u003eSelected 2017__2019\u003c\/td\u003e\n          \u003ctd\u003eG30\u003c\/td\u003e\n          \u003ctd\u003eEarly B58 applications\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW 740i \/ 740i xDrive\u003c\/td\u003e\n          \u003ctd\u003eSelected 2017__2019\u003c\/td\u003e\n          \u003ctd\u003eG11 \/ G12\u003c\/td\u003e\n          \u003ctd\u003eEarly B58 applications\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW X3 M40i\u003c\/td\u003e\n          \u003ctd\u003e2018__2019\u003c\/td\u003e\n          \u003ctd\u003eG01\u003c\/td\u003e\n          \u003ctd\u003eSelected early B58 applications\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBMW X4 M40i\u003c\/td\u003e\n          \u003ctd\u003e2019\u003c\/td\u003e\n          \u003ctd\u003eG02\u003c\/td\u003e\n          \u003ctd\u003eSelected early B58 application\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"xkv21076-note\"\u003e\n    \u003cstrong\u003eFitment Notice\u003c\/strong\u003e\n    \u003cp\u003e\n      The model years and chassis listed above refer to selected\n      BMW B58 applications. Engine family alone does not guarantee\n      downpipe compatibility. Turbocharger connection design,\n      exhaust outlet, sensor arrangement and mounting geometry\n      can vary by vehicle and engine revision.\n    \u003c\/p\u003e\n    \u003cp\u003e\n      For early G-Series vehicles, confirm the exact B58 engine\n      version and physical connections before purchasing.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Specifications --\u003e\n  \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\n  \u003cdiv class=\"xkv21076-details\"\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eProduct\u003c\/span\u003e\n      \u003cstrong\u003eCatless Exhaust Downpipe\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eEngine Family\u003c\/span\u003e\n      \u003cstrong\u003eBMW B58 3.0L Turbo\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eNominal Diameter\u003c\/span\u003e\n      \u003cstrong\u003e4.5 Inch\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eMaterial\u003c\/span\u003e\n      \u003cstrong\u003eT304 Stainless Steel\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eConstruction\u003c\/span\u003e\n      \u003cstrong\u003eTIG-Welded Tubing\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eTube Design\u003c\/span\u003e\n      \u003cstrong\u003eSmooth-Radius Bends\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eFlange\u003c\/span\u003e\n      \u003cstrong\u003eCNC-Machined\u003c\/strong\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cspan\u003eConfiguration\u003c\/span\u003e\n      \u003cstrong\u003eCatless\u003c\/strong\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cp class=\"xkv21076-small-note\"\u003e\n    The 4.5-inch dimension is the listed nominal product\n    specification. Exact turbo-side and outlet connection\n    dimensions should be verified for the intended application.\n  \u003c\/p\u003e\n\n  \u003c!-- Before You Buy --\u003e\n  \u003cdiv class=\"xkv21076-before-buy\"\u003e\n    \u003ch3\u003eBefore You Buy\u003c\/h3\u003e\n    \u003cp\u003e\n      To help confirm that you are selecting the correct\n      downpipe, please review the following:\n    \u003c\/p\u003e\n\n    \u003col\u003e\n      \u003cli\u003e\n        \u003cstrong\u003eVehicle and engine:\u003c\/strong\u003e\n        Check the exact model year, chassis, drivetrain\n        and B58 engine version.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cstrong\u003eTurbo-side connection:\u003c\/strong\u003e\n        Compare the turbocharger flange or clamp arrangement\n        with the original part.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cstrong\u003eExhaust outlet:\u003c\/strong\u003e\n        Verify downstream pipe connection dimensions,\n        alignment and mounting locations.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cstrong\u003eO2 sensors:\u003c\/strong\u003e\n        Check the number, position and orientation of\n        the required sensor connections.\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cstrong\u003eInstallation clearance:\u003c\/strong\u003e\n        Confirm bracket alignment and available space,\n        including any drivetrain-specific differences.\n      \u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003cp\u003e\n      \u003cstrong\u003eImportant:\u003c\/strong\u003e\n      This is not a universal downpipe for every\n      BMW B58-powered vehicle. Later-generation applications\n      such as G20 M340i, G22 M440i, G42 M240i and\n      Toyota Supra are not confirmed by the fitment tables\n      above. Do not assume compatibility based on the\n      B58 engine name alone.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Package --\u003e\n  \u003ch3\u003ePackage Includes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 _ 4.5\" Catless Downpipe Assembly\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp class=\"xkv21076-small-note\"\u003e\n    Additional hardware, clamps or sensor components\n    are not specified in this listing. Confirm package\n    contents if your installation requires specific hardware.\n  \u003c\/p\u003e\n\n  \u003c!-- Installation --\u003e\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n    \u003cli\u003e\n      Confirm the turbo-side connection, downstream exhaust\n      connection and O2 sensor layout before installation.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Check mounting points, brackets and surrounding\n      clearance before final assembly.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Supporting ECU calibration or tuning may be required\n      depending on the vehicle setup; no tuning device\n      is listed as included.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- Compliance --\u003e\n  \u003cdiv class=\"xkv21076-legal\"\u003e\n    \u003ch3\u003eEmissions \u0026amp; Legal Notice\u003c\/h3\u003e\n    \u003cp\u003e\n      This product has a catless configuration and is not\n      represented as street-legal or emissions-compliant\n      for vehicles subject to applicable emissions controls.\n      Removing, disabling or bypassing required emissions\n      equipment may violate U.S. federal, state or local law.\n      Do not purchase or install this product for a\n      prohibited application. A racing or off-road\n      designation does not itself provide a legal exemption.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n.xkv21076-pdp {\n  width: 100%;\n  max-width: 100%;\n  color: #30343b;\n  font-size: 15px;\n  line-height: 1.75;\n  box-sizing: border-box;\n}\n\n.xkv21076-pdp,\n.xkv21076-pdp * {\n  box-sizing: border-box;\n}\n\n.xkv21076-pdp p {\n  margin: 0 0 15px;\n}\n\n.xkv21076-pdp h3 {\n  margin: 30px 0 14px;\n  padding: 0 0 10px;\n  border-bottom: 1px solid #e5e8ed;\n  color: #17202c;\n  font-size: 19px;\n  font-weight: 700;\n  line-height: 1.4;\n}\n\n.xkv21076-pdp h4 {\n  margin: 24px 0 12px;\n  color: #243348;\n  font-size: 16px;\n  font-weight: 650;\n  line-height: 1.45;\n}\n\n.xkv21076-pdp ul,\n.xkv21076-pdp ol {\n  margin: 0 0 18px;\n  padding-left: 22px;\n}\n\n.xkv21076-pdp li {\n  margin: 0 0 9px;\n  padding-left: 2px;\n}\n\n.xkv21076-pdp strong {\n  color: #17202c;\n}\n\n\/* Introduction *\/\n.xkv21076-intro {\n  margin: 0 0 22px;\n}\n\n.xkv21076-intro p:first-child {\n  font-size: 16px;\n  color: #263445;\n}\n\n\/* Quick Specifications *\/\n.xkv21076-spec-cards {\n  display: grid;\n  grid-template-columns: repeat(2, minmax(0, 1fr));\n  gap: 12px;\n  margin: 24px 0 30px;\n}\n\n.xkv21076-spec-card {\n  display: flex;\n  flex-direction: column;\n  justify-content: center;\n  gap: 6px;\n  min-width: 0;\n  padding: 16px 17px;\n  background: #f7f9fb;\n  border: 1px solid #e4e9ee;\n  border-radius: 9px;\n}\n\n.xkv21076-spec-card span {\n  color: #687483;\n  font-size: 12px;\n  line-height: 1.4;\n}\n\n.xkv21076-spec-card strong {\n  color: #1d2c3c;\n  font-size: 15px;\n  line-height: 1.45;\n  overflow-wrap: anywhere;\n}\n\n\/* Feature List *\/\n.xkv21076-features li {\n  margin-bottom: 11px;\n}\n\n\/* Fitment Tables *\/\n.xkv21076-table-wrap {\n  width: 100%;\n  margin: 0 0 22px;\n  overflow-x: auto;\n  border: 1px solid #e2e6eb;\n  border-radius: 9px;\n  -webkit-overflow-scrolling: touch;\n}\n\n.xkv21076-fitment-table {\n  width: 100%;\n  min-width: 570px;\n  margin: 0;\n  border-collapse: collapse;\n  background: #fff;\n  font-size: 13px;\n  line-height: 1.55;\n}\n\n.xkv21076-fitment-table thead {\n  background: #25364b;\n  color: #fff;\n}\n\n.xkv21076-fitment-table th {\n  padding: 12px 13px;\n  color: #fff;\n  font-weight: 650;\n  text-align: left;\n  white-space: nowrap;\n}\n\n.xkv21076-fitment-table td {\n  padding: 12px 13px;\n  border-top: 1px solid #e9edf1;\n  color: #354150;\n  text-align: left;\n  vertical-align: top;\n}\n\n.xkv21076-fitment-table tbody tr:nth-child(even) {\n  background: #f8fafc;\n}\n\n.xkv21076-fitment-table td:first-child {\n  font-weight: 600;\n  color: #243348;\n}\n\n\/* Fitment Notice *\/\n.xkv21076-note {\n  margin: 17px 0 27px;\n  padding: 17px 19px;\n  background: #f5f7fa;\n  border-left: 3px solid #73859b;\n  border-radius: 0 8px 8px 0;\n}\n\n.xkv21076-note \u003e strong {\n  display: block;\n  margin-bottom: 8px;\n}\n\n.xkv21076-note p:last-child {\n  margin-bottom: 0;\n}\n\n\/* Structured Specifications *\/\n.xkv21076-details {\n  display: grid;\n  grid-template-columns: repeat(2, minmax(0, 1fr));\n  gap: 0 20px;\n  margin: 5px 0 15px;\n  border-top: 1px solid #e8ebef;\n}\n\n.xkv21076-details \u003e div {\n  display: flex;\n  flex-direction: column;\n  gap: 3px;\n  padding: 13px 2px;\n  border-bottom: 1px solid #e8ebef;\n  min-width: 0;\n}\n\n.xkv21076-details span {\n  color: #6a7582;\n  font-size: 12px;\n}\n\n.xkv21076-details strong {\n  color: #263445;\n  font-size: 14px;\n  font-weight: 600;\n  overflow-wrap: anywhere;\n}\n\n.xkv21076-small-note {\n  color: #647080;\n  font-size: 13px;\n}\n\n\/* Before You Buy *\/\n.xkv21076-before-buy {\n  margin: 30px 0;\n  padding: 20px 23px;\n  background: #f6f8fb;\n  border: 1px solid #e0e6ed;\n  border-radius: 10px;\n}\n\n.xkv21076-before-buy h3 {\n  margin-top: 0;\n  border-bottom: 1px solid #dfe5ec;\n}\n\n.xkv21076-before-buy ol {\n  padding-left: 22px;\n}\n\n.xkv21076-before-buy li {\n  margin-bottom: 12px;\n}\n\n.xkv21076-before-buy p:last-child {\n  margin-bottom: 0;\n}\n\n\/* Emissions \u0026 Legal *\/\n.xkv21076-legal {\n  margin: 28px 0 8px;\n  padding: 18px 21px;\n  border: 1px solid #e8e1dc;\n  border-radius: 9px;\n  background: #fcfaf8;\n}\n\n.xkv21076-legal h3 {\n  margin-top: 0;\n  font-size: 17px;\n  border-bottom-color: #ede5df;\n}\n\n.xkv21076-legal p:last-child {\n  margin-bottom: 0;\n}\n\n\/* Mobile *\/\n@media (max-width: 767px) {\n  .xkv21076-pdp {\n    font-size: 14px;\n    line-height: 1.7;\n  }\n\n  .xkv21076-pdp h3 {\n    margin: 25px 0 12px;\n    font-size: 17px;\n  }\n\n  .xkv21076-pdp h4 {\n    font-size: 15px;\n  }\n\n  .xkv21076-intro p:first-child {\n    font-size: 15px;\n  }\n\n  .xkv21076-spec-cards {\n    gap: 9px;\n    margin: 18px 0 25px;\n  }\n\n  .xkv21076-spec-card {\n    padding: 13px 12px;\n    border-radius: 7px;\n  }\n\n  .xkv21076-spec-card strong {\n    font-size: 13px;\n  }\n\n  .xkv21076-fitment-table {\n    min-width: 540px;\n    font-size: 12px;\n  }\n\n  .xkv21076-fitment-table th,\n  .xkv21076-fitment-table td {\n    padding: 10px 11px;\n  }\n\n  .xkv21076-details {\n    gap: 0 14px;\n  }\n\n  .xkv21076-details strong {\n    font-size: 13px;\n  }\n\n  .xkv21076-note,\n  .xkv21076-before-buy,\n  .xkv21076-legal {\n    padding: 15px;\n  }\n}\n\n@media (max-width: 360px) {\n  .xkv21076-spec-cards,\n  .xkv21076-details {\n    grid-template-columns: 1fr;\n  }\n}\n\u003c\/style\u003e\n","brand":"XKVracing","offers":[{"title":"Default Title","offer_id":47887660023978,"sku":"XKV21076","price":131.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9506\/3722\/files\/0_0046_MT001174-80378-21076SAS.webp?v=1769824543"}],"url":"https:\/\/xkvracing.com\/collections\/bmw-performance.oembed","provider":"XKVracing","version":"1.0","type":"link"}