{"product_id":"s55-catless-heatshield-downpipes-bmw-m2-competition-f87-m3-f80-m4-f82-f83","title":"S55 Catless Heatshield Downpipes | BMW M2 Competition (F87) | M3 (F80) | M4 (F82\/F83)","description":"\u003cdiv data-voice-floating-orb-focus-background=\"\" class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a59654f-a0ec-83ea-881b-4fff89feb60a-19\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a59654f-a0ec-83ea-881b-4fff89feb60a-19\" data-turn-id-container=\"request-6a59654f-a0ec-83ea-881b-4fff89feb60a-19\" data-testid=\"conversation-turn-126\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7ee93e0f-02c9-4556-ae59-2184d8842ff5\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch2 data-start=\"780\" data-end=\"815\" class=\"PDq2pG_selectionAnchorContainer\"\u003eS55 Catless Heatshield Downpipes\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"817\" data-end=\"879\"\u003e\u003cstrong data-start=\"817\" data-end=\"879\"\u003eBMW M2 Competition (F87) | BMW M3 (F80) | BMW M4 (F82\/F83)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"881\" data-end=\"1226\"\u003eUnlock the full performance potential of your S55-powered BMW with these premium Catless Heatshield Downpipes. Engineered to reduce exhaust backpressure and maximize turbocharger efficiency, these downpipes deliver faster spool, improved throttle response, and substantial horsepower and torque gains when paired with the proper ECU calibration.\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1454\"\u003eConstructed from high-grade TIG-welded stainless steel, each downpipe features an integrated laser-cut heat shield to help reduce engine bay temperatures while maintaining long-term durability under extreme driving conditions.\u003c\/p\u003e\n\u003cp data-start=\"1456\" data-end=\"1608\"\u003eWhether you're building a street car or a dedicated performance machine, these downpipes provide the sound, performance, and quality enthusiasts demand.\u003c\/p\u003e\n\u003ch3 data-start=\"1610\" data-end=\"1622\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1624\" data-end=\"1990\"\u003e\n\u003cli data-start=\"1624\" data-end=\"1676\"\u003eHigh-grade TIG-welded stainless steel construction\u003c\/li\u003e\n\u003cli data-start=\"1677\" data-end=\"1714\"\u003eIntegrated laser-cut heat shielding\u003c\/li\u003e\n\u003cli data-start=\"1715\" data-end=\"1756\"\u003eCatless design for maximum exhaust flow\u003c\/li\u003e\n\u003cli data-start=\"1757\" data-end=\"1800\"\u003eIncreased horsepower and torque potential\u003c\/li\u003e\n\u003cli data-start=\"1801\" data-end=\"1852\"\u003eFaster turbo spool and improved throttle response\u003c\/li\u003e\n\u003cli data-start=\"1853\" data-end=\"1882\"\u003eDirect bolt-on installation\u003c\/li\u003e\n\u003cli data-start=\"1883\" data-end=\"1915\"\u003eNo cutting or welding required\u003c\/li\u003e\n\u003cli data-start=\"1916\" data-end=\"1948\"\u003ePrecision CNC-machined flanges\u003c\/li\u003e\n\u003cli data-start=\"1949\" data-end=\"1990\"\u003eBuilt for high-performance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1992\" data-end=\"2011\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul data-start=\"2013\" data-end=\"2102\"\u003e\n\u003cli data-start=\"2013\" data-end=\"2039\"\u003eBMW M2 Competition (F87)\u003c\/li\u003e\n\u003cli data-start=\"2040\" data-end=\"2054\"\u003eBMW M3 (F80)\u003c\/li\u003e\n\u003cli data-start=\"2055\" data-end=\"2075\"\u003eBMW M4 Coupe (F82)\u003c\/li\u003e\n\u003cli data-start=\"2076\" data-end=\"2102\"\u003eBMW M4 Convertible (F83)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2104\" data-end=\"2139\"\u003e\u003cstrong data-start=\"2104\" data-end=\"2115\"\u003eEngine:\u003c\/strong\u003e S55 Twin-Turbo Inline-6\u003c\/p\u003e\n\u003ch3 data-start=\"2141\" data-end=\"2157\"\u003eAvailability\u003c\/h3\u003e\n\u003cp data-start=\"2159\" data-end=\"2190\"\u003e\u003cstrong data-start=\"2159\" data-end=\"2190\"\u003eIn stock and ready to ship.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2192\" data-end=\"2208\"\u003eInstallation\u003c\/h3\u003e\n\u003cp data-start=\"2210\" data-end=\"2454\"\u003eProfessional installation is recommended. ECU tuning is recommended to maximize performance and reduce the likelihood of a check engine light. Uproar Customs does not provide installation instructions or technical support for self-installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Uproar Customs","offers":[{"title":"Default Title","offer_id":47272104886441,"sku":null,"price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/1575\/4153\/files\/image_cded1f33-18d0-48e7-9f7c-2af19d2df4b8.png?v=1784313511","url":"https:\/\/www.uproarcustoms.com\/products\/s55-catless-heatshield-downpipes-bmw-m2-competition-f87-m3-f80-m4-f82-f83","provider":"Uproar Customs","version":"1.0","type":"link"}