{"product_id":"pacemaker-twin-2-5-inch-exhaust-headers-ford-mustang-gt-coupe","title":"Pacemaker Twin 2.5\" Performance Exhaust System with Headers for Ford Mustang GT S550 Fastback Coupe 5.0L V8 2015–2017 RHD - PP4178-03","description":"\u003cdiv style=\"width: 100%; color: #222222 !important; background-color: #ffffff !important; font-family: Arial, sans-serif; line-height: 1.6;\"\u003e\n    \u003ch2 style=\"color: #222222 !important;\"\u003ePacemaker Full Twin 2.5\" Performance Exhaust System with Headers \u0026amp; Hi-Flow Cats for Ford Mustang GT Coupe (5.0L Coyote V8) - PP4178-03\u003c\/h2\u003e\n    \u003cp style=\"color: #222222 !important;\"\u003eUnleash an uncompromised, aggressive American muscle roar and unlock substantial power gains from your high-revving quad-cam engine with the Pacemaker Sport Systems complete twin 2.5-inch performance exhaust solution. Specifically engineered to maximize cylinder scavenging, optimize exhaust gas velocity, and satisfy the tight architectural boundaries of the global S550 fastback platform, this premium system is precisely shaped to map the underbody layout and multi-link independent rear suspension geometry of the Ford Mustang Fastback Coupe. By upgrading your stock layout to race-proven performance extractors paired with mandrel-bent twin 2.5\" plumbing and high-flow metallic catalytic converters, it maximizes exhaust gas scavenging to completely eliminate power-robbing backpressure under heavy acceleration. As Australia’s premium exhaust innovator, Pacemaker integrates elite structural engineering with patented V-Tex technology and signature double-skinned mufflers, delivering a commanding, throaty performance bark on throttle while actively engineering out harsh, intrusive cabin boom or highway drone. \u003cem style=\"color: #222222 !important;\"\u003eNote: Fits Right-Hand Drive (RHD) Ford Mustang GT Fastback Coupe models (2015–2017) equipped with the 5.0L Coyote V8 engine configuration; does not fit Convertible models due to under-car structural cross-bracing paths unique to soft-tops.\u003c\/em\u003e\u003c\/p\u003e\n\n    \u003ch2 style=\"color: #222222 !important;\"\u003eFeatures:\u003c\/h2\u003e\n    \u003cp style=\"color: #222222 !important;\"\u003ePrecision-manufactured in Australia to deliver a high-velocity flow upgrade, maximum structural longevity under intense heat, and a refined muscle car acoustic profile for the iconic RHD Mustang fastback platform.\u003c\/p\u003e\n    \u003cul style=\"color: #222222 !important;\"\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color: #222222 !important;\"\u003eComplete Headers \u0026amp; Full System:\u003c\/strong\u003e Comprehensive track-and-street performance solution incorporating high-flow primary headers, 3\" metallic high-flow catalytic converters, and a matching twin 2.5-inch performance cat-back system layout.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color: #222222 !important;\"\u003eFastback Coupe Optimized:\u003c\/strong\u003e Custom engineered to clear the floor pan configurations, standard chassis tunnels, and factory hanger geometries of the fixed-roof fastback coupe layout.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color: #222222 !important;\"\u003ePremium Materials:\u003c\/strong\u003e Constructed completely from durable, heavy-gauge Exhaust Grade 409 Stainless Steel to ensure superior resistance to thermal fatigue and rust.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color: #222222 !important;\"\u003eMandrel Bent Tubing:\u003c\/strong\u003e Rigid twin 2.5\" (63.5mm) pipe structure guarantees a smooth, uniform internal diameter through all bends to eliminate gas turbulence and maximize flow velocity.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color: #222222 !important;\"\u003eV-Tex Technology:\u003c\/strong\u003e Advanced internal patented anti-drone configuration cancels out harsh, low-frequency cabin resonance typical of sports coupes without restricting gas velocity.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color: #222222 !important;\"\u003eSignature Mufflers:\u003c\/strong\u003e Heavy-duty double-skinned 409 Stainless Steel mufflers offer premium case reinforcement, preventing case distortion and internal packing blowout under extreme load.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong style=\"color: #222222 !important;\"\u003eRight-Hand Drive Optimized:\u003c\/strong\u003e Specifically mapped and cleared to fit Right-Hand Drive (RHD) configurations seamlessly around steering linkages and factory components.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cdiv style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 20px;\"\u003e\n        \u003ctable style=\"min-width: 1000px; width: 1000px; border-collapse: collapse; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc; font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n            \u003ccolgroup\u003e\n                \u003ccol style=\"width: 250px;\"\u003e\n                \u003ccol style=\"width: 250px;\"\u003e\n                \u003ccol style=\"width: 250px;\"\u003e\n                \u003ccol style=\"width: 250px;\"\u003e\n            \u003c\/colgroup\u003e\n            \u003cthead\u003e\n                \u003ctr style=\"background: #eeeeee !important; background-color: #eeeeee !important; border-bottom: 2px solid #333;\"\u003e\n                    \u003cth colspan=\"4\" style=\"padding: 12px 10px; text-align: left; background: #eeeeee !important; background-color: #eeeeee !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eProduct Specifications for PP4178-03\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eBrand\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003ePacemaker Sport Systems\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003ePart # \/ SKU\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003ePP4178-03\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eProduct Type\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eFull Tuned Exhaust \u0026amp; Header Kit\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eSystem Piping Size\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eTwin 2.5\" (63.5mm) Mandrel-Bent System\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eMaterial\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003e409 Grade Stainless Steel\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eCatalytic Converter\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003e3\" High-Flow Metallic Converters Section\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eEngine Compatibility\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003e5.0L Coyote DOHC V8 (Gen 2)\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #f7f7f7 !important; background-color: #f7f7f7 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eSteering Drive Alignment\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eRight-Hand Drive (RHD) Only\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch2 style=\"color: #222222 !important;\"\u003eImportant Fitment Notes:\u003c\/h2\u003e\n    \u003cul style=\"color: #222222 !important;\"\u003e\n        \u003cli\u003eSpecifically engineered to fit Ford Mustang S550 GT Fastback Coupe models powered by the 5.0L Coyote V8 engine configuration (2015–2017 models).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCoupe Specific Layout:\u003c\/strong\u003e This system features specific piping clearances and bracket mapping designed precisely to mount under the fastback coupe chassis path. It will not adapt cleanly to Convertible variants because it does not feature the necessary underbody relief routes to clear the additional soft-top chassis reinforcement cross-braces.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eRight-Hand Drive Only:\u003c\/strong\u003e Header primary routing and collector path geometry are exclusively mapped to navigate around standard factory RHD steering gears and engine bay constraints. Will not fit imported Left-Hand Drive (LHD) models.\u003c\/li\u003e\n        \u003cli\u003eFull kit scope: Comprehensive track-and-street performance solution from engine block to rear exit, including tuned primary headers, high-flow metallic catalytic converters, twin 2.5\" intermediate sections, and signature double-skinned rear twin mufflers with polished exit tips.\u003c\/li\u003e\n        \u003cli\u003eProfessional automotive performance technician installation is highly recommended to guarantee ideal ground clearance, strict steering column alignment, and gas-tight seals under the floor pan.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3 style=\"color: #222222 !important;\"\u003eVehicle Applications:\u003c\/h3\u003e\n    \u003cdiv style=\"width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 20px;\"\u003e\n        \u003ctable style=\"min-width: 1600px; width: 1600px; border-collapse: collapse; table-layout: fixed; background: #ffffff !important; background-color: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc; font-family: Arial, sans-serif; font-size: 14px;\"\u003e\n            \u003ccolgroup\u003e\n                \u003ccol style=\"width: 90px;\"\u003e\n                \u003ccol style=\"width: 130px;\"\u003e\n                \u003ccol style=\"width: 110px;\"\u003e\n                \u003ccol style=\"width: 110px;\"\u003e\n                \u003ccol style=\"width: 300px;\"\u003e\n                \u003ccol style=\"width: 240px;\"\u003e\n                \u003ccol style=\"width: 260px;\"\u003e\n                \u003ccol style=\"width: 250px;\"\u003e\n                \u003ccol style=\"width: 110px;\"\u003e\n            \u003c\/colgroup\u003e\n            \u003cthead\u003e\n                \u003ctr style=\"background: #eeeeee !important; background-color: #eeeeee !important; border-bottom: 2px solid #333;\"\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eMake\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eModel\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eFrom\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eTo\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eBody\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eSeries\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eEngine\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eVariant\u003c\/th\u003e\n                    \u003cth style=\"padding: 10px 8px; text-align: left; white-space: nowrap; background: #eeeeee !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003eDrivetrain\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr style=\"background: #e9e9e9 !important; background-color: #e9e9e9 !important;\"\u003e\n                    \u003ctd colspan=\"9\" style=\"padding: 10px 8px; background: #e9e9e9 !important; color: #222222 !important; font-weight: bold; border: 1px solid #cccccc;\"\u003eFORD MOTOR COMPANY\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003eFord\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003eMustang GT\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003e2015\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003e2017\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003eFastback Coupe Only\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003eS550 (Pre-Facelift)\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003e5.0L Coyote V8\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003eGT Premium RHD Models\u003c\/td\u003e\n                    \u003ctd style=\"padding: 10px 8px; white-space: nowrap; background: #ffffff !important; border: 1px solid #cccccc;\"\u003eRWD\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"font-size: 18px; font-weight: bold; margin-bottom: 10px; font-family: Arial, sans-serif; margin-top: 25px; color: #222222 !important;\"\u003eWarranty Information\u003c\/div\u003e\n    \u003cdiv style=\"overflow-x: auto; margin: 20px 0; -webkit-overflow-scrolling: touch;\"\u003e\n        \u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; min-width: 500px; background: #ffffff !important; color: #222222 !important; border: 1px solid #cccccc;\"\u003e\n            \u003cthead\u003e\n                \u003ctr style=\"background-color: #111111 !important;\"\u003e\n                    \u003cth style=\"color: #ffffff !important; text-align: left; padding: 12px; border: 1px solid #cccccc;\"\u003eProduct\u003c\/th\u003e\n                    \u003cth style=\"color: #ffffff !important; text-align: left; padding: 12px; border: 1px solid #cccccc;\"\u003eWarranty Period\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #cccccc;\"\u003ePacemaker Sports Exhaust Systems\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #cccccc;\"\u003eFive (5) years.\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cp style=\"color: #222222 !important;\"\u003e\u003cstrong style=\"color: #222222 !important;\"\u003ePayment \u0026amp; Security:\u003c\/strong\u003e\u003cbr\u003eYour payment information is processed securely. We do not store credit card details nor have access to your credit card information.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pacemaker Headers","offers":[{"title":"Default Title","offer_id":40432510042194,"sku":"PP4178-03","price":4277.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/7718\/9458\/files\/d033affa-ab19-40a8-8725-6d4011c55c8a_d2629155-98f2-4570-9613-271173ec31d3.png?v=1684803387","url":"https:\/\/fastautoparts.com.au\/products\/pacemaker-twin-2-5-inch-exhaust-headers-ford-mustang-gt-coupe","provider":"Fast Auto Parts Australia","version":"1.0","type":"link"}