{"product_id":"remus-cat-back-racing-system-left-right-with-integrated-valves-using-the-oe-valve-control-system-with-4-tail-pipes-a-102-mm-angled-rolled-edge-chromed-3-series-g80-m3-competition-375-kw-s58b30a-2021","title":"Remus Cat-Back (Catback) Valved Exhaust for BMW M3 G80 Competition 2021+ S58 | Quad 4x102mm Chrome Rolled-Edge Tips | Stainless Performance Sport Rear Section\/Backbox\/Muffler | OE Valve-Controlled Quad Exit","description":"\u003cp\u003e\u003cstrong\u003eTransform your BMW M3 G80 soundtrack and throttle response with a premium Austrian-built performance exhaust upgrade.\u003c\/strong\u003e Engineered for the S58 twin‑turbo platform, this valved quad‑exit system delivers a race‑bred tone, sharper throttle feel and stunning 102 mm polished rolled‑lip tips. It retains the factory electronic flap control for everyday usability and full roar on demand. Perfect for M3 Competition owners seeking a serious exhaust upgrade without compromising OEM functionality.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy enthusiasts choose this system\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRace‑inspired acoustics with valves closed for civility and open for a ferocious, track‑leaning note\u003c\/li\u003e\n  \u003cli\u003eFull stainless construction with a bead‑blasted finish for durability and a premium look\u003c\/li\u003e\n  \u003cli\u003eImproved gas flow and reduced restriction for genuine performance benefits\u003c\/li\u003e\n  \u003cli\u003eMass‑saving design compared to stock for enhanced response\u003c\/li\u003e\n  \u003cli\u003ePrecision fitment tailored to the G80 platform for a clean, factory‑level install\u003c\/li\u003e\n  \u003cli\u003eBeautiful quad 102 mm chromed, rolled‑edge outlets to complete the rear end\u003c\/li\u003e\n  \u003cli\u003eCrafted by hand in Austria for exceptional quality and consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW M3 G80, including Competition, 2021‑on\u003c\/li\u003e\n  \u003cli\u003eEngine: S58\u003c\/li\u003e\n  \u003cli\u003eUses the vehicle’s original electronic valve control for seamless operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003cbr\u003e\n081021 1100 + 081021 1200 + 081021 1300 + 081021 1400 + 081021 1510 + 0046 70S\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment notes\u003c\/strong\u003e\u003cbr\u003e\nThe factory rear section requires a cut during installation. Professional fitting is recommended.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation and support\u003c\/strong\u003e\u003cbr\u003e\nWant it fitted properly first time in the UK We can install this system at MJ Modifications in Warwickshire. Email \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e for a fitting quote and availability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProven by us and loved by customers\u003c\/strong\u003e\u003cbr\u003e\nWe have installed this setup for multiple G80 owners and run it ourselves. The feedback is consistent: top‑tier build quality, a purposeful soundtrack with the valves open, and comfortable manners when cruising with the flaps closed. It is the ideal upgrade for drivers who want a serious performance exhaust for road and track while keeping factory integration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSearches this product is perfect for\u003c\/strong\u003e\u003cbr\u003e\nBMW M3 G80 exhaust upgrade UK, M3 Competition performance exhaust, BMW S58 valved exhaust, quad tip exhaust for BMW M3, 102 mm exhaust tips BMW, stainless steel sports exhaust M3, G80 M3 tuning parts, Remus performance system UK, BMW M3 2021 exhaust, G80 quad exit exhaust, performance rear system BMW, polished rolled edge tips M3, aftermarket exhaust BMW M3 G80, UK fitting Warwickshire.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder with confidence\u003c\/strong\u003e\u003cbr\u003e\nUpgrade your G80 with a hand‑built, valve‑controlled performance system that looks incredible and sounds even better. In stock options move fast. Add to basket or contact us for expert advice and installation.\u003c\/p\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55977411182978,"sku":"REM21C-300","price":3220.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/0810211400__65576.1635942441.jpg?v=1763374630","url":"https:\/\/mjmodifications.co.uk\/products\/remus-cat-back-racing-system-left-right-with-integrated-valves-using-the-oe-valve-control-system-with-4-tail-pipes-a-102-mm-angled-rolled-edge-chromed-3-series-g80-m3-competition-375-kw-s58b30a-2021","provider":"MJ Modifications","version":"1.0","type":"link"}