{"product_id":"milltek-secondary-catalyst-delete-pipe-bmw-f80-m3-f82-m4","title":"Milltek Secondary Catalyst Delete Pipe BMW F80 M3 \/ F82 M4","description":"\u003cp\u003e\u003cspan\u003eEnhance the exhaust flow and sound of your BMW F80 M3 or F82\/F83 M4 with the Milltek Sport Secondary Catalyst Delete Pipe. Engineered specifically for the S55 twin-turbocharged inline-six engine, this performance exhaust component replaces the secondary catalyst section to reduce exhaust restriction and deliver a more pronounced exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epremium T304L stainless steel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the Milltek Secondary Catalyst Delete Pipe features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-inch (76.2mm) diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e design that promotes efficient exhaust gas flow. By eliminating the restriction associated with the secondary catalyst section, this upgrade is designed to improve exhaust flow and enhance the overall sound characteristics of the vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe non-resonated configuration allows more of the S55 engine's distinctive exhaust character to be heard, particularly during acceleration and higher-RPM driving. When paired with a compatible Milltek Sport cat-back exhaust, the system provides a more aggressive exhaust experience while maintaining the quality and precision associated with Milltek's performance exhaust products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned specifically for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMilltek Sport cat-back exhaust systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this secondary catalyst bypass is compatible with both factory BMW primary downpipes and Milltek Sport primary downpipes. Its precision-engineered construction provides direct integration with the intended exhaust configuration without requiring cutting or welding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMilltek manufactures its exhaust components in the United Kingdom using high-quality materials and performance-oriented engineering. The T304L stainless-steel construction offers excellent corrosion resistance and durability under demanding exhaust temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor BMW M3 and M4 owners seeking increased exhaust volume, reduced exhaust restriction, and a more engaging driving experience, the Milltek Sport Secondary Catalyst Delete Pipe is an excellent addition to a compatible Milltek exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2014–2018 BMW M3 Sedan (F80)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with 3.0L S55 twin-turbocharged engine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2014–2018 BMW M3 Competition Sedan (F80)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with S55 engine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2014–2018 BMW M4 Coupe (F82)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with S55 engine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2014–2018 BMW M4 Competition Coupe (F82)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with S55 engine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2014–2018 BMW M4 Convertible (F83)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with S55 engine\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enon-OPF\/GPF-equipped vehicles only\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRequires a compatible Milltek Sport cat-back exhaust system\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with factory BMW primary downpipes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with Milltek Sport primary downpipes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot designed for direct installation with the factory BMW cat-back exhaust\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot intended for BMW G80\/G82 M3\/M4 applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRemoves a catalytic converter and is intended for motorsport or off-road applications where legally permitted\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot emissions-approved for public-road use\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProfessional installation recommended\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eIncluded\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMilltek Sport secondary catalyst bypass pipe\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequired fitting components as supplied by Milltek\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSold Separately:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMilltek Sport cat-back exhaust system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMilltek Sport performance downpipes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdditional exhaust components and accessories\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specs\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMilltek Sport\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSSXBM1032\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eComponent Reference: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMSBM268REP\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduct Type: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSecondary Catalyst Delete \/ Bypass Pipe\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVehicle Applications: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBMW F80 M3 \/ F82 F83 M4\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEngine: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.0L S55 Twin-Turbocharged Inline-Six\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConstruction: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eT304L Stainless Steel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePipe Diameter: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e76.2mm (3 Inches)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfiguration: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNon-Resonated\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCatalytic Converter: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSecondary Catalyst Delete\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrimary Downpipe Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFactory BMW \/ Milltek Sport\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCat-Back Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMilltek Sport Systems Only\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstallation: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDirect-Fit with Compatible Milltek Exhaust\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCutting or Welding Required: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eE-Mark Approval: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer Classification: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRace Product\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountry of Manufacture: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUnited Kingdom\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSecondary catalyst bypass design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e reduces exhaust restriction and promotes improved exhaust gas flow.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3-inch stainless-steel tubing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a high-flow exhaust path designed for the BMW S55 engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAggressive non-resonated sound\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e enhances exhaust volume and delivers a more pronounced performance exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePremium T304L stainless-steel construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides excellent corrosion resistance, strength, and durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFactory and Milltek downpipe compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows integration with either original BMW or Milltek Sport primary downpipes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision-engineered Milltek fitment\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides direct installation with compatible Milltek Sport cat-back exhaust systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":67842639266112,"sku":"SSXBM1032","price":469.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/7587\/4624\/files\/SSXBM1032_1.jpg?v=1792675787","url":"https:\/\/www.forzamotorworks.com\/products\/milltek-secondary-catalyst-delete-pipe-bmw-f80-m3-f82-m4","provider":"Forza Motor Works","version":"1.0","type":"link"}