{"product_id":"milltek-cat-back-exhaust-bmw-4-series-f32-428i-coup-2014-2016","title":"Milltek Sport Cat-Back Exhaust - 2014-2016 BMW 4 Series F32 428i Coupé","description":"\u003cp\u003eUpgrade the BMW 4 Series F32 428i Coupé (2014-2016) with a Milltek Sport cat-back exhaust. Milltek builds each system around the car it fits: mandrel-bent T304L stainless pipework, a larger bore than stock for freer flow, and a tuned sound you choose, from quiet and refined to loud and uncorked.\u003c\/p\u003e\u003ch3\u003eSound options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResonated\u003c\/strong\u003e options keep cruising drone down and sound closer to a refined sports car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-resonated (louder \/ race)\u003c\/strong\u003e options give the loudest, rawest note. Better for track days and weekend cars than daily commuting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoose your setup\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound:\u003c\/strong\u003e the system type and sound level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Finish:\u003c\/strong\u003e the tailpipe trim.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Downpipe:\u003c\/strong\u003e add a Milltek catted or catless downpipe built to fit this cat-back. Pick Cat-Back Only to skip it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCat-back systems: compare every part number\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSound\u003c\/th\u003e\n\u003cth\u003eTip finish\u003c\/th\u003e\n\u003cth\u003ePipe size\u003c\/th\u003e\n\u003cth\u003eFit time\u003c\/th\u003e\n\u003cth\u003eRace\/Track only\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1005\u003c\/td\u003e\n\u003ctd\u003e435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer\u003c\/td\u003e\n\u003ctd\u003ePolished\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1006\u003c\/td\u003e\n\u003ctd\u003e435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer\u003c\/td\u003e\n\u003ctd\u003eCerakote Black\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1020\u003c\/td\u003e\n\u003ctd\u003e435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer\u003c\/td\u003e\n\u003ctd\u003eTitanium\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1004\u003c\/td\u003e\n\u003ctd\u003e435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer\u003c\/td\u003e\n\u003ctd\u003ePolished\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1007\u003c\/td\u003e\n\u003ctd\u003e435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer\u003c\/td\u003e\n\u003ctd\u003eCerakote Black\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1019\u003c\/td\u003e\n\u003ctd\u003e435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer\u003c\/td\u003e\n\u003ctd\u003eTitanium\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1002\u003c\/td\u003e\n\u003ctd\u003eOE-style twin-outlet. Non-resonated (louder)\u003c\/td\u003e\n\u003ctd\u003ePolished\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1003\u003c\/td\u003e\n\u003ctd\u003eOE-style twin-outlet. Non-resonated (louder)\u003c\/td\u003e\n\u003ctd\u003eCerakote Black\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1000\u003c\/td\u003e\n\u003ctd\u003eOE-style twin-outlet. Resonated (quieter)\u003c\/td\u003e\n\u003ctd\u003ePolished\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM1001\u003c\/td\u003e\n\u003ctd\u003eOE-style twin-outlet. Resonated (quieter)\u003c\/td\u003e\n\u003ctd\u003eCerakote Black\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat comes with each cat-back\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1005\u003c\/strong\u003e: 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Mounting Bracket; 1 x Flexible Connecting Pipe; 1 x Centre Silencer Replacement Pipe; 1 x Rear Silencer Connecting Pipe; 1 x Rear Silencer; 2 x Outlet Pipes; 2 x Polished Tip Assembly; Twin 90mm GT90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1006\u003c\/strong\u003e: 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Mounting Bracket; 1 x Flexible Connecting Pipe; 1 x Centre Silencer Replacement Pipe; 1 x Rear Silencer Connecting Pipe; 1 x Rear Silencer; 2 x Outlet Pipes; 2 x Cerakote Black Tip Assembly; Twin 90mm GT90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1020\u003c\/strong\u003e: 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Mounting Bracket; 1 x Flexible Connecting Pipe; 1 x Centre Silencer Replacement Pipe; 1 x Rear Silencer Connecting Pipe; 1 x Rear Silencer; 2 x Outlet Pipes; 2 x Titanium Tip Assembly; Twin 90mm GT90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1004\u003c\/strong\u003e: 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Mounting Bracket; 1 x Flexible Connecting Pipe; 1 x Centre Silencer; 1 x Rear Silencer Connecting Pipe; 1 x Rear Silencer; 2 x Outlet Pipes; 2 x Polished Tip Assembly; Twin 90mm GT90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1007\u003c\/strong\u003e: 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Mounting Bracket; 1 x Flexible Connecting Pipe; 1 x Centre Silencer; 1 x Rear Silencer Connecting Pipe; 1 x Rear Silencer; 2 x Outlet Pipes; 2 x Cerakote Black Tip Assembly; Twin 90mm GT90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1019\u003c\/strong\u003e: 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Mounting Bracket; 1 x Flexible Connecting Pipe; 1 x Centre Silencer; 1 x Rear Silencer Connecting Pipe; 1 x Rear Silencer; 2 x Outlet Pipes; 2 x Titanium Tip Assembly; Twin 90mm GT90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1002\u003c\/strong\u003e: 1 x Mounting Bracket; 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Flexible Connecting Pipe; 1 x Centre Silencer Replacement Pipe; 1 x Rear Silencer Assembly; 1 x Outlet Pipe (including Active Exhaust Valve); 2 x Polished Tips; Twin 76.2mm GT76\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1003\u003c\/strong\u003e: 1 x Mounting Bracket; 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Flexible Connecting Pipe; 1 x Centre Silencer Replacement Pipe; 1 x Rear Silencer Assembly; 1 x Outlet Pipe (including Active Exhaust Valve); 2 x Cerakote Black Tips; Twin 76.2mm GT76\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1000\u003c\/strong\u003e: 1 x Mounting Bracket; 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Flexible Connecting Pipe; 1 x Centre Silencer; 1 x Rear Silencer Assembly; 1 x Outlet Pipe (including Active Exhaust Valve); 2 x Polished Tips; Twin 76.2mm GT76\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM1001\u003c\/strong\u003e: 1 x Mounting Bracket; 1 x Adaptor Pipe (Not required when fitting Milltek Downpipe (MSBM253 or MSBM253REP)); 1 x Flexible Connecting Pipe; 1 x Centre Silencer; 1 x Rear Silencer Assembly; 1 x Outlet Pipe (including Active Exhaust Valve); 2 x Cerakote Black Tips; Twin 76.2mm GT76\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownpipe options: compare every part number\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eFits with (Milltek)\u003c\/th\u003e\n\u003cth\u003eStage 2 ECU remap\u003c\/th\u003e\n\u003cth\u003eRace\/Track only\u003c\/th\u003e\n\u003cth\u003ePipe size\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM982\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe (Race\/Track only): needs Stage 2 ECU remap\u003c\/td\u003e\n\u003ctd\u003eRequires a Stage 2 ECU remap and must be fitted with a Milltek Sport cat-back system.\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXBM977\u003c\/td\u003e\n\u003ctd\u003eCatted Downpipe (Race\/Track only): needs Stage 2 ECU remap\u003c\/td\u003e\n\u003ctd\u003eRequires a Stage 2 ECU remap and must be fitted with a Milltek Sport cat-back system.\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\"Race\/Track only\" and \"Stage 2 ECU remap\" are shown only where Milltek states them. A dash means Milltek does not state it for that part.\u003c\/p\u003e\u003ch3\u003eWhat comes with each downpipe option\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM982\u003c\/strong\u003e: 1 x Large-bore Catless Downpipe Milltek note: Requires a Stage 2 ECU remap and must be fitted with a Milltek Sport cat-back system. Fits manual and auto models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXBM977\u003c\/strong\u003e: 1 x Large-bore downpipe and hi-flow sports catalyst Milltek note: Requires a Stage 2 ECU remap and must be fitted with a Milltek Sport cat-back system. Fits manual and auto models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCatted and catless downpipes\u003c\/h3\u003e\u003cp\u003eA \u003cstrong\u003ecatted downpipe\u003c\/strong\u003e keeps a catalytic converter in the downpipe. A \u003cstrong\u003ecatless downpipe\u003c\/strong\u003e (de-cat) replaces it with a straight pipe. Each option name above says which one it is.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eBMW 4 Series F32 428i Coupé, 2014-2016. US-market model listing. Confirm your exact model, engine and options before ordering, and message us if you are not sure.\u003c\/p\u003e\u003ch3\u003eAbout Milltek Sport\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eT304L stainless steel, CNC mandrel bent.\u003c\/li\u003e\n\u003cli\u003eDesigned and developed in Derby, UK with a US facility in Knoxville, Tennessee, and tested at the Nürburgring.\u003c\/li\u003e\n\u003cli\u003eCompany founded in 1983.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty\u003c\/h3\u003e\u003cp\u003eMilltek covers most products with a lifetime guarantee. Downpipes, hi-flow catalysts and any part with valves are covered for 2 years or 80,000 km, and electronic products for 2 years. Claims go through the authorized dealer you bought from, and cover the original purchaser only. Full terms: millteksport.com\/Warranty.html\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCatless downpipes and other cat bypass parts replace emissions equipment. They are sold for off-road and competition use where local law allows. You are responsible for checking the rules that apply to your vehicle.\u003c\/li\u003e\n\u003cli\u003eSome downpipe options need a Stage 2 ECU remap. Read the option name before you order.\u003c\/li\u003e\n\u003cli\u003eFitting times are Milltek estimates for a professional installer.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek Sport","offers":[{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Polished \/ Cat-Back Only","offer_id":67999485034647,"sku":"SSXBM1005","price":1629.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Polished \/ Catless Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485067415,"sku":"SSXBM1005 + SSXBM982","price":2032.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Polished \/ Catted Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485100183,"sku":"SSXBM1005 + SSXBM977","price":3003.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Cerakote Black \/ Cat-Back Only","offer_id":67999485132951,"sku":"SSXBM1006","price":1745.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Cerakote Black \/ Catless Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485165719,"sku":"SSXBM1006 + SSXBM982","price":2148.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Cerakote Black \/ Catted Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485198487,"sku":"SSXBM1006 + SSXBM977","price":3119.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Titanium \/ Cat-Back Only","offer_id":67999485231255,"sku":"SSXBM1020","price":1931.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Titanium \/ Catless Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485264023,"sku":"SSXBM1020 + SSXBM982","price":2334.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Non-resonated (louder).. Requires 435i M Sport rear valance from your BMW dealer \/ Titanium \/ Catted Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485296791,"sku":"SSXBM1020 + SSXBM977","price":3305.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer \/ Polished \/ Cat-Back Only","offer_id":67999485329559,"sku":"SSXBM1004","price":1832.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer \/ Polished \/ Catless Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485362327,"sku":"SSXBM1004 + SSXBM982","price":2235.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer \/ Polished \/ Catted Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485395095,"sku":"SSXBM1004 + SSXBM977","price":3206.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer \/ Cerakote Black \/ Cat-Back Only","offer_id":67999485427863,"sku":"SSXBM1007","price":1948.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer \/ Cerakote Black \/ Catless Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485460631,"sku":"SSXBM1007 + SSXBM982","price":2351.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer \/ Cerakote Black \/ Catted Downpipe (Race\/Track only): needs Stage 2 ECU remap","offer_id":67999485493399,"sku":"SSXBM1007 + SSXBM977","price":3322.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. Requires 435i M Sport rear valance from your BMW dealer \/ Titanium \/ Cat-Back Only","offer_id":67999485526167,"sku":"SSXBM1019","price":2134.0,"currency_code":"USD","in_stock":true},{"title":"435i-style dual-outlet. Resonated (quieter).. 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