{"product_id":"active-autowerke-gesi-catted-downpipe-bmw-g87-m2-g80-m3-g82-m4","title":"Active Autowerke GESI Catted Downpipe BMW G87 M2 \/ G80 M3 \/ G82 M4","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"height: 0px; overflow: hidden; padding-top: 56.25%; position: relative; width: 100%;\"\u003e\u003ciframe style=\"position: absolute; top: 0px; left: 0px; width: 100%; height: 100%;\" src=\"https:\/\/tube.rvere.com\/embed?v=4z5S-OrdBb4\" title=\"YouTube video player\"\u003e\n        \u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlock more of the S58’s performance and sound potential with the Active Autowerke Signature GESI Catted Downpipes. The restrictive factory downpipes create unnecessary backpressure immediately after the turbochargers, while Active Autowerke’s \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-inch high-flow design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e helps exhaust gases evacuate more efficiently for quicker turbo spool, sharper response, and increased power potential. At the heart of the system are oversized \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5-inch GESI G-Sport Ultra High Output catalytic converters\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing exceptional flow while remaining fully OBD2 compliant and engineered specifically to prevent catalyst-efficiency check engine lights. Each catalyst is rated to support \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500–850 horsepower\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making these downpipes equally suitable for a lightly modified street car or a higher-output tuned S58 build. Best of all, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eno performance tune is required\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making this an excellent choice for owners who want the performance and sound benefits of upgraded downpipes without the CEL concerns commonly associated with lower-quality high-flow cats.\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\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2023+ BMW M2 Coupe (G87)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2021+ BMW M3 Sedan (G80)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2021+ BMW M4 Coupe (G82)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned for vehicles equipped with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eS58 twin-turbocharged engine\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDirect bolt-on installation with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eno cutting or welding required\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eConnects to the factory exhaust using a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e70mm outlet\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, maintaining at least the factory tubing diameter throughout the system\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with Active Autowerke G8X exhaust components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eNo performance tune required\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to operate without a catalyst-efficiency check engine light\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eGESI catalysts are EPA registered and compliant for OBD2 vehicles in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e49 states; not CARB compliant for California use\u003c\/span\u003e\u003c\/strong\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\u003cspan\u003eDriver-side Active Autowerke catted downpipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePassenger-side Active Autowerke catted downpipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIntegrated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGESI G-Sport Ultra High Output catalytic converters\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStainless steel flex joints\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCast stainless steel upper V-band connections\u003c\/span\u003e\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\u003cspan\u003eActive Autowerke SKU: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e11-085\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePrimary Tubing Diameter: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3 inches\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eExhaust Outlet Diameter: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e70mm\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCatalyst Diameter: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5 inches\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCatalyst Density: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e400 CPSI\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCatalyst Type: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGESI G-Sport Ultra High Output\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCatalyst Power Rating: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500–850 HP per catalyst\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMaximum Rated Temperature: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,500°F\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCatalyst Light-Off: capable of reaching operational efficiency within approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e9 seconds\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDownpipe Material: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e304 stainless steel\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCatalyst Construction: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e304 stainless steel shell and substrate\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTubing Wall Thickness: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1.5mm\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eConstruction: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTIG welded\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMade in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMiami, Florida\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eGESI catalyst shell\/tube-end warranty: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5 years \/ 50,000 miles\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eGESI catalytic core warranty: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2 years \/ 25,000 miles\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for the original purchaser\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcessive aftermarket burble programming can damage the catalytic cores and void catalyst warranty coverage\u003c\/span\u003e\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\u003cstrong\u003e\u003cspan\u003e3-inch high-flow downpipes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e reduce post-turbo backpressure for quicker spool, improved response, and greater horsepower and torque potential\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePremium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.5-inch GESI catalysts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combine excellent exhaust flow with proper emissions treatment and OBD2 functionality\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eEngineered specifically for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eno catalyst-efficiency CEL\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, eliminating one of the biggest compromises associated with typical aftermarket catted downpipes\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eEach catalyst supports \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e500–850 HP\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing plenty of headroom for modified and tuned S58 applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFull \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e304 stainless steel construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, TIG welding, stainless flex joints, and cast V-band connections provide exceptional durability and precise fitment\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eNo performance tune required\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making these an excellent standalone upgrade or foundation for a complete G8X exhaust and performance package\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":53094534218048,"sku":"11-085","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/7587\/4624\/files\/G80Cata.webp?v=1788369049","url":"https:\/\/www.forzamotorworks.com\/products\/active-autowerke-gesi-catted-downpipe-bmw-g87-m2-g80-m3-g82-m4","provider":"Forza Motor Works","version":"1.0","type":"link"}