{"product_id":"g8x-m2-m3-m4-s58-titanium-catless-downpipes","title":"G8X M2\/M3\/M4 S58 Titanium Catless Downpipes","description":"\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] 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-69fcbaf1-9ee0-8324-9096-7ff85efe3ad6-8\" data-turn-id-container=\"request-69fcbaf1-9ee0-8324-9096-7ff85efe3ad6-8\" data-testid=\"conversation-turn-200\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--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 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=\"a51791fe-3a87-4d52-93e3-02b6143a0e4b\" 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 light markdown-new-styling\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--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 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=\"a51791fe-3a87-4d52-93e3-02b6143a0e4b\" 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\"\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 light markdown-new-styling\"\u003e\n\u003cp\u003eUnlock the full potential of your G8X M car with the S58 Titanium Catless Downpipes. Designed exclusively for the G80 M3, G82 M4, and G87 M2 running the S58 twin-turbo inline-six, this premium titanium downpipe set eliminates the restrictive factory catalytic converters and primary heat shielding — delivering significant power gains, dramatic weight reduction, and the kind of S58 soundtrack BMW engineered the engine to make before emissions regs got in the way. The single most impactful bolt-on you can do to a G8X M car.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e* Genuine Titanium Construction: Built from aerospace-grade titanium for maximum strength at minimum weight — saves up to 40% over OEM steel downpipes while delivering superior heat resistance, corrosion immunity, and the iconic titanium blue \/ gold burn finish around the welds.\u003c\/p\u003e\n\u003cp\u003e* Catless High-Flow Design: Eliminates the restrictive OEM catalytic converters entirely — opens up exhaust flow dramatically, unlocking real top-end power, faster turbo spool, and a more responsive throttle. Typical builds see 30-50+ wheel horsepower gains when paired with a proper tune.\u003c\/p\u003e\n\u003cp\u003e* True S58 Sound Transformation: Removes the muffling effect of the OEM cats — the S58 finally sounds the way it should, with deeper bass tones, sharper top-end snarl, more pronounced overrun burbles, and a serious motorsport-spec voice that rivals naturally aspirated V8s.\u003c\/p\u003e\n\u003cp\u003e* G8X Multi-Chassis Fitment: Engineered for the BMW G80 M3 (2021+), G82 M4 Coupe (2021+), G83 M4 Convertible (2021+), and G87 M2 (2023+) — every G-chassis S58-powered M car. Confirm your exact chassis code before ordering.\u003c\/p\u003e\n\u003cp\u003e* Direct OEM Flange Fitment: Precision-machined flanges and clamps designed to match factory mounting points and turbo outlets — bolts directly to the OEM turbo flanges and mid-pipe without any cutting, welding, or custom fabrication.\u003c\/p\u003e\n\u003cp\u003e* Built for Power \u0026amp; Track Use: Designed to handle high horsepower builds, sustained track use, and the thermal load of pushed S58 engines — won't crack, warp, or fail at the welds like cheaper stainless catless options.\u003c\/p\u003e\n\u003cp\u003eIMPORTANT COMPLIANCE NOTE: Catless downpipes are designed for OFF-ROAD \/ TRACK USE ONLY. Removes the catalytic converters required for road registration in Australia and most international markets — NOT legal for road-registered vehicles. Will trigger check engine lights and emissions codes without proper tuning. Will not pass any emissions inspection. Verify your intended use case and local regulations before ordering.\u003c\/p\u003e\n\u003cp\u003eTUNE REQUIRED: To unlock full power potential and eliminate fault codes, a custom or off-the-shelf tune (Bootmod3, MHD, etc.) is required after fitment.\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\/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","brand":"NuroTech™","offers":[{"title":"Default Title","offer_id":51318947414331,"sku":null,"price":1449.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/8273\/4139\/files\/Untitled_1080x1080px_34.png?v=1780828838","url":"https:\/\/nuroperformance.com\/products\/g8x-m2-m3-m4-s58-titanium-catless-downpipes","provider":"Nuro Performance","version":"1.0","type":"link"}