{"product_id":"1979-2004-ford-mustang-fox-body-ls-swap-headers-fits-4-8l-5-3l-v8-304-stainless-steel-long-tube-performance-exhaust-upgrade","title":"4.8L 5.3L LS  1979-2004 Ford Mustang\/Fox Body Mustang  Swap Stainless Header Exhaust","description":"\u003cdiv class=\"xkv-product-description\"\u003e\n\n  \u003cp\u003e\n    This stainless steel LS swap header set is designed for listed 1979–2004 Ford Mustang applications using compatible GM LS-series V8 engine swap setups. It is intended for LS swap builds where the engine, mounts, K-member, steering shaft, transmission, collector connection, and exhaust layout are compatible with the header design.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Built with full 1-7\/8\" primaries, 3\" collectors, merge-spike style collectors, CNC-machined flanges, graphite manifold gaskets, and polished 304 stainless steel construction as listed, this header set is designed for compatible Mustang LS swap exhaust routing. Final fitment, clearance, exhaust sealing, sound, drivability, and performance results may vary depending on the vehicle chassis, swap components, engine position, transmission, steering setup, downstream exhaust, installation quality, and supporting parts.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eProduct Overview\u003c\/h3\u003e\n  \u003cp\u003e\n    This product is an LS swap exhaust header set for compatible Ford Mustang applications. It is not a factory engine replacement manifold, full exhaust system, universal header kit, or guaranteed-fit solution for every Mustang \/ LS swap combination. Please verify your exact chassis, LS engine, swap mount setup, K-member, transmission, steering shaft clearance, collector connection, and exhaust layout 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 1979–2004 Ford Mustang LS swap applications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e LS Swap Exhaust Headers\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEngine Family:\u003c\/strong\u003e GM LS-series V8 engines as listed, including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L applications where compatible\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial \/ Finish:\u003c\/strong\u003e Polished 304 stainless steel as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrimary Size:\u003c\/strong\u003e Full 1-7\/8\" primaries as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCollector Size:\u003c\/strong\u003e 3\" collector as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDesign Features:\u003c\/strong\u003e Mandrel-bent tubing, merge spikes, and collector spikes as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlanges:\u003c\/strong\u003e CNC-machined flanges as listed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGaskets:\u003c\/strong\u003e Standard graphite manifold gaskets 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\u003eInstruction:\u003c\/strong\u003e No installation instructions included\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 LS swap header set. Before ordering, verify your exact Mustang chassis\/body style, LS engine, swap mounts, K-member, steering shaft clearance, transmission setup, collector connection, and downstream exhaust layout.\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 \/ Swap\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\u003eFord Mustang Fox Body\u003c\/td\u003e\n          \u003ctd\u003e1979–1993\u003c\/td\u003e\n          \u003ctd\u003eGM LS-Series V8 Swap\u003c\/td\u003e\n          \u003ctd\u003eVerify LS engine, swap mounts, K-member, steering shaft clearance, collector connection, and exhaust layout\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eFord Mustang SN95 \/ New Edge\u003c\/td\u003e\n          \u003ctd\u003e1994–2004\u003c\/td\u003e\n          \u003ctd\u003eGM LS-Series V8 Swap\u003c\/td\u003e\n          \u003ctd\u003eVerify chassis setup, LS swap components, transmission, steering clearance, 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. This is an LS swap header set, not a replacement header for factory Ford Mustang engines. Fitment may vary depending on chassis generation, engine position, swap mounts, K-member, transmission, steering shaft, starter clearance, collector connection, and downstream exhaust configuration. Please confirm your complete swap setup before purchase.\n  \u003c\/div\u003e\n\n  \u003ch3\u003ePackage Includes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eLS swap exhaust header components as shown\u003c\/li\u003e\n    \u003cli\u003eHeader flanges and 3\" collector sections as listed\u003c\/li\u003e\n    \u003cli\u003eStandard graphite manifold gaskets as listed\u003c\/li\u003e\n    \u003cli\u003eHardware, bolts, or additional 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 components, gaskets, flanges, fasteners, and collector 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 strongly recommended.\u003c\/li\u003e\n    \u003cli\u003eNo installation instructions are included.\u003c\/li\u003e\n    \u003cli\u003eTest fit both header sides before final tightening.\u003c\/li\u003e\n    \u003cli\u003eVerify clearance around the steering shaft, K-member, spark plugs, plug wires, engine mounts, transmission, starter, firewall, frame, and surrounding engine bay components.\u003c\/li\u003e\n    \u003cli\u003eLS swap vehicles may require additional parts, adjustment, fabrication, compatible mounts, or exhaust work depending on the build.\u003c\/li\u003e\n    \u003cli\u003eVerify 3\" collector connection compatibility with your downstream exhaust setup before installation.\u003c\/li\u003e\n    \u003cli\u003eInspect all flange surfaces, gaskets, fasteners, and collector connections before use.\u003c\/li\u003e\n    \u003cli\u003eRecheck fasteners and connections 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 Ford Mustang LS swap applications only.\u003c\/li\u003e\n    \u003cli\u003eThis is an LS swap header set, not a factory-engine replacement manifold, complete exhaust system, universal header kit, or guaranteed-fit solution for every swap combination.\u003c\/li\u003e\n    \u003cli\u003ePlease verify LS engine compatibility, chassis generation, swap mount setup, K-member, transmission, steering shaft clearance, collector connection, and exhaust layout before purchase.\u003c\/li\u003e\n    \u003cli\u003eAdditional fabrication, exhaust work, wiring clearance, plug wire routing, heat management, or supporting components may be required depending on the vehicle build.\u003c\/li\u003e\n    \u003cli\u003eThis product may alter the factory exhaust or emissions-related configuration depending on the vehicle setup.\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, or CARB-compliant unless explicitly stated.\u003c\/li\u003e\n    \u003cli\u003ePerformance gains, sound changes, exhaust flow changes, fitment, clearance, 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: 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