{"product_id":"2009-2018-nissan-370z-2008-2013-infiniti-g37-q60-q50-3-7l-v6-test-pipes-catless-downpipe-2-5","title":"2008-2013 Test Pipe Exhaust Downpipe 2.5\" for 2009-2018 Nissan 370Z Z34  Infiniti G37 3.7L V6","description":"\u003cdiv class=\"xkv-product-description\"\u003e\n\n  \u003cp\u003e\n    This 2.5\" catless test pipe exhaust set is designed for page-listed Nissan \/ Infiniti 3.7L V6 applications, including 2009–2018 Nissan 370Z Z34, 2008–2013 Infiniti G37 3.7L V6 Coupe \/ Sedan, and listed Infiniti Q50 \/ Q60 3.7L models. It is intended as a catless test pipe \/ decat exhaust component for compatible VQ37 exhaust layouts.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Built with 2.5\" inlet and outlet sizing, 2-bolt mounting style, mandrel-bent piping, and welded CNC flanges as listed, this test pipe set is designed to replace selected restrictive factory catalytic converter sections where compatible. Final fitment, sound, exhaust sealing, O2 sensor behavior, drivability, and performance results may vary depending on vehicle condition, engine setup, exhaust layout, installation quality, tuning or calibration, emissions setup, and supporting components.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eProduct Overview\u003c\/h3\u003e\n  \u003cp\u003e\n    This product is a catless test pipe exhaust set for compatible Nissan 370Z and Infiniti 3.7L V6 applications. It is not a turbo downpipe, header set, catback exhaust system, full exhaust system, catalytic converter, 2.0L Q50\/Q60 pipe, 3.0T Q50\/Q60 pipe, or universal exhaust component. Please verify your exact model year, engine, chassis, O2 sensor layout, flange connection, downstream 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 Page-listed Nissan 370Z, Infiniti G37, and Infiniti Q50 \/ Q60 3.7L applications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Catless Test Pipe Exhaust Set \/ Decat Pipe Set\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInlet Diameter:\u003c\/strong\u003e 2.50\" as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutlet Diameter:\u003c\/strong\u003e 2.50\" as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e 2-bolt mounting style as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Mandrel-bent piping with welded CNC flanges as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEmissions Component:\u003c\/strong\u003e Catless \/ decat \/ test pipe design as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImportant Exclusion:\u003c\/strong\u003e Does not fit Infiniti Q50 \/ Q60 2.0L or 3.0T models as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional installation highly recommended\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstruction:\u003c\/strong\u003e No installation instructions included; refer to a shop or factory manual as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e Off-road, racing, competition, 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 currently listed for this catless test pipe set. Before ordering, verify your exact model year, engine, chassis, O2 sensor layout, flange connection, downstream exhaust layout, and emissions setup.\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\u003eNissan 370Z Z34\u003c\/td\u003e\n          \u003ctd\u003e2009–2018\u003c\/td\u003e\n          \u003ctd\u003e3.7L V6\u003c\/td\u003e\n          \u003ctd\u003eVerify chassis, flange layout, O2 sensor position, and downstream exhaust connection\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eInfiniti G37 Coupe \/ Sedan\u003c\/td\u003e\n          \u003ctd\u003e2008–2013\u003c\/td\u003e\n          \u003ctd\u003e3.7L V6\u003c\/td\u003e\n          \u003ctd\u003eVerify coupe \/ sedan configuration, flange layout, O2 sensor position, and exhaust connection\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eInfiniti Q50 \/ Q60\u003c\/td\u003e\n          \u003ctd\u003ePage-listed 3.7L applications\u003c\/td\u003e\n          \u003ctd\u003e3.7L V6 only\u003c\/td\u003e\n          \u003ctd\u003eDoes not fit 2.0L or 3.0T models as listed; verify exact engine and exhaust layout before purchase\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. This catless test pipe set is listed for Nissan 370Z Z34, Infiniti G37 3.7L V6, and Infiniti Q50 \/ Q60 3.7L applications. It does not fit Q50 \/ Q60 2.0L or 3.0T models as listed. Please verify your exact model year, chassis, engine, O2 sensor layout, flange connection, downstream exhaust configuration, and emissions setup before purchase.\n  \u003c\/div\u003e\n\n  \u003ch3\u003ePackage Includes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2 test pipe \/ exhaust pipe components as shown\u003c\/li\u003e\n    \u003cli\u003e4 gaskets as listed\u003c\/li\u003e\n    \u003cli\u003e1 pack of screws and nuts as listed\u003c\/li\u003e\n    \u003cli\u003eAdditional hardware, bolts, clamps, or accessories included only if shown or 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 pipe components, flanges, gaskets, screws, nuts, and connection requirements 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 highly recommended.\u003c\/li\u003e\n    \u003cli\u003eNo installation instructions are included; refer to a shop or factory manual where appropriate.\u003c\/li\u003e\n    \u003cli\u003eTest fit both pipe components before final tightening.\u003c\/li\u003e\n    \u003cli\u003eVerify flange alignment, gasket seating, O2 sensor position, and downstream exhaust compatibility before installation.\u003c\/li\u003e\n    \u003cli\u003eCheck clearance around the transmission area, heat shields, underbody, wiring, O2 sensor harnesses, and surrounding exhaust components.\u003c\/li\u003e\n    \u003cli\u003eOld, rusted, or seized factory hardware may increase installation difficulty.\u003c\/li\u003e\n    \u003cli\u003eCatless \/ decat pipe installation may require compatible tuning, calibration, or sensor-related solutions depending on vehicle 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 page-listed Nissan \/ Infiniti 3.7L V6 applications only.\u003c\/li\u003e\n    \u003cli\u003eThis is a catless test pipe exhaust set, not a turbo downpipe, header set, catback exhaust system, full exhaust system, catalytic converter, or universal exhaust component.\u003c\/li\u003e\n    \u003cli\u003ePlease verify your exact model year, engine, chassis, O2 sensor layout, flange connection, downstream exhaust connection, and emissions setup before purchase.\u003c\/li\u003e\n    \u003cli\u003eInfiniti Q50 \/ Q60 applications are listed for 3.7L models only. This product does not fit 2.0L or 3.0T models as listed.\u003c\/li\u003e\n    \u003cli\u003eThis product removes or replaces selected catalytic converter sections and may alter emissions-related exhaust components depending on the vehicle setup.\u003c\/li\u003e\n    \u003cli\u003eCompatible tuning, calibration, or sensor-related solutions may be required depending on O2 sensor configuration and ECU setup.\u003c\/li\u003e\n    \u003cli\u003eThis product is intended for off-road, racing, competition, 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, O2 sensor behavior, 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: 720px;\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: 680px;\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: 660px;\n    }\n  }\n\u003c\/style\u003e","brand":"XKVracing","offers":[{"title":"Default Title","offer_id":47887659958442,"sku":"XKV21060","price":118.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9506\/3722\/files\/0_0049_MT001115-DP29773-21060SAS.webp?v=1769824661","url":"https:\/\/xkvracing.com\/products\/2009-2018-nissan-370z-2008-2013-infiniti-g37-q60-q50-3-7l-v6-test-pipes-catless-downpipe-2-5","provider":"XKVracing","version":"1.0","type":"link"}