{"product_id":"bmw-g80-g82-g83-g87-m2-m3-m4-400-cell-catted-downpipes","title":"Valvetronic Downpipes for BMW M2 G87 (23-26) M3 G80 \/ M4 G82 G83 (21-26) EPA Compliant 400 Cell","description":"\u003cp\u003e\u003cstrong\u003eThese federal EPA-compliant 400-cell catted downpipes give your G8X M2, M3 or M4 better exhaust flow, quicker turbo response and more sound without going catless. They are made specifically for the twin-turbo S58, with one downpipe and catalyst for each turbo.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 400-cell catalysts are less restrictive than the factory units, helping both turbos breathe better while adding a deeper exhaust tone and more noticeable turbo sound. You can run them with the factory exhaust for a smaller change in sound, or pair them with an aftermarket exhaust when you want to hear more of the S58.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e EPA compliant does not mean CARB legal or 50-state legal. These downpipes are for federally certified vehicles and cannot be sold for vehicles registered in California or other states that require CARB compliance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFitment Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2023 BMW M2 G87 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2024 BMW M2 G87 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2025 BMW M2 G87 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2026 BMW M2 G87 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2021 BMW M3 G80 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2022 BMW M3 G80 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2023 BMW M3 G80 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2024 BMW M3 G80 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2025 BMW M3 G80 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2026 BMW M3 G80 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2021 BMW M4 Coupe G82 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2022 BMW M4 Coupe G82 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2023 BMW M4 Coupe G82 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2024 BMW M4 Coupe G82 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2025 BMW M4 Coupe G82 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2026 BMW M4 Coupe G82 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2021 BMW M4 Convertible G83 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2022 BMW M4 Convertible G83 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2023 BMW M4 Convertible G83 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2024 BMW M4 Convertible G83 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2025 BMW M4 Convertible G83 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003cli\u003e2026 BMW M4 Convertible G83 3.0L Twin-Turbo S58\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFitment Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits rear-wheel-drive and xDrive models with the S58 engine.\u003c\/li\u003e\n\u003cli\u003eFits standard and Competition models.\u003c\/li\u003e\n\u003cli\u003eThis set is made for the G8X S58 platform and does not fit B58-powered BMW models.\u003c\/li\u003e\n\u003cli\u003eThese replace both factory downpipes and catalytic converters.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFederal EPA Compliant\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFederal EPA-compliant 400-cell catalytic converters\u003c\/li\u003e\n\u003cli\u003eDesigned for vehicles built and registered to Federal EPA emissions standards\u003c\/li\u003e\n\u003cli\u003eKeeps catalytic converters in place while providing more flow than the factory downpipes\u003c\/li\u003e\n\u003cli\u003eNot CARB exempt and not legal for vehicles registered in California\u003c\/li\u003e\n\u003cli\u003eNot legal for vehicles registered in other states that require CARB-approved replacement catalytic converters\u003c\/li\u003e\n\u003cli\u003eThese are not 50-state-legal downpipes\u003c\/li\u003e\n\u003cli\u003eCheck your state and local emissions requirements before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSpecs \u0026amp; Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete pair of left and right S58 downpipes\u003c\/li\u003e\n\u003cli\u003e400-cell high-flow catalytic converter in each downpipe\u003c\/li\u003e\n\u003cli\u003eHigh-grade stainless steel construction\u003c\/li\u003e\n\u003cli\u003eMandrel-bent tubing with smooth internal transitions\u003c\/li\u003e\n\u003cli\u003eReduces exhaust restriction compared to the factory downpipes\u003c\/li\u003e\n\u003cli\u003eHelps improve turbo response and midrange power delivery\u003c\/li\u003e\n\u003cli\u003eAdds a deeper exhaust tone and louder turbo sound\u003c\/li\u003e\n\u003cli\u003ePrecision TIG-welded construction\u003c\/li\u003e\n\u003cli\u003eOEM-style oxygen sensor placement\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on design using the factory mounting locations\u003c\/li\u003e\n\u003cli\u003eDesigned for stock and tuned S58 applications\u003c\/li\u003e\n\u003cli\u003eCompatible with the factory exhaust and compatible aftermarket exhaust systems\u003c\/li\u003e\n\u003cli\u003ePart number: BMW.G8X.M2.M3.M4.FF.400C.BR\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eWhat to Expect From the Sound\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Exhaust:\u003c\/strong\u003e Deeper sound with more turbo noise and a clearer exhaust note without replacing the rest of the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket Exhaust:\u003c\/strong\u003e Louder overall sound with stronger turbo noise, more noticeable crackles and a sharper sound higher in the RPM range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCatalysts: 25,000-mile limited emissions and OBD-II compatibility warranty\u003c\/li\u003e\n\u003cli\u003eCatalytic converter shells and connecting pipes: Five-year or 50,000-mile limited warranty against defective welding and corrosion\u003c\/li\u003e\n\u003cli\u003eStainless tubing and welds: Limited lifetime-of-ownership warranty against manufacturing defects and penetrating rust\u003c\/li\u003e\n\u003cli\u003eWarranty coverage applies to the original purchaser and is not transferable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003ePairs Well With\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/awe-0fg-exhaust-bmw-m3-m4-g8x-21-25-track-or-switchpath-catback-w-4-5-silver-or-black-tips\" title=\"AWE 0FG exhaust for BMW G80 M3 and G82 G83 M4\"\u003e\u003cstrong\u003eAWE 0FG Exhaust for BMW G80 M3 and G82\/G83 M4\u003c\/strong\u003e\u003c\/a\u003e – Pair the 400-cell downpipes with a full catback when you want a much bigger change in sound. Choose the SwitchPath version if you still want valve control.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/mad-front-mount-air-intake-bmw-m2-m3-m4-g80-g82-g87-2019-2025-silicone-includes-high-flow-filters-mad-113\" title=\"MAD front mount intakes for BMW G87 M2 G80 M3 and G82 M4\"\u003e\u003cstrong\u003eMAD Dual Front-Mount Intakes for BMW G8X\u003c\/strong\u003e\u003c\/a\u003e – Open up the intake side of the S58 and add more turbo sound to go with the freer-flowing downpipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/mishimoto-charge-air-cooler-bmw-g80-m3-g82-m4-2021-2024-performance-intake-manifold\" title=\"Mishimoto charge air cooler for BMW G87 M2 G80 M3 and G82 M4\"\u003e\u003cstrong\u003eMishimoto S58 Charge-Air Cooler\u003c\/strong\u003e\u003c\/a\u003e – Add more cooling capacity for a tuned G8X that sees repeated pulls, track time or hard driving in warmer weather.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eAbout Valvetronic Designs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eValvetronic Designs makes exhaust parts for people who want more sound and better flow without turning the car into something they do not want to drive every day. These G8X downpipes work with the factory exhaust or a compatible aftermarket system, giving you room to decide how far you want to take the sound.\u003c\/p\u003e\n","brand":"Valvetronic","offers":[{"title":"Default Title","offer_id":42980407312464,"sku":"BMW.G8X.M2.M3.M4.FF.400C.BR","price":2249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0058\/0252\/4785\/files\/valvetronic-downpipes-bmw-m2-g87-m3-g80-m4-g82-g83-epa-compliant-400-cell.jpg?v=1790633239","url":"https:\/\/shop.redline360.com\/products\/bmw-g80-g82-g83-g87-m2-m3-m4-400-cell-catted-downpipes","provider":"Redline360","version":"1.0","type":"link"}