{"product_id":"remus-bmw-g80-g82-racing-axle-back-exhaust-system-m3-m3-competition-m4-m4-competition","title":"Remus Racing Valved Axle-Back Exhaust Rear Silencer\/Back Box for BMW M3 G80 \u0026 M3 Competition, M4 G82 \u0026 M4 Competition (2021+) — OPF\/GPF Compatible Stainless Steel, OEM Valve Control, S58 Performance Muffler Quad Tip Upgrade","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \u003ch2\u003eRemus Racing Rear Section with Valve Control for BMW G80 M3 and G82 M4\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Turn up the character of your S58 with this Remus Racing rear silencer and link pipe set. Designed specifically for the G80 M3 and G82 M4 platform, including standard and Competition variants with or without OPF, this valve-controlled rear box delivers a harder-edged motorsport tone, crisp throttle response and beautifully engineered build quality. Factory flap motors are retained for drive-mode sound management, so you keep comfort when cruising and a fierce soundtrack when you want it.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Supplied as the Remus RACING sports rear section and connection tube package with integrated valves, it mounts to the original points for a precise fit. Choose your preferred tailpipe finish separately to complete the look.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e 081021 1400 and 081021 1510\u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose this Remus Racing rear box\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRace-bred tone with deeper idle, sharper upshifts and an authentic performance character\u003c\/li\u003e\n    \u003cli\u003eValve control via the car’s original flap actuators for in-cabin mode selection\u003c\/li\u003e\n    \u003cli\u003eAustrian craftsmanship, shot-blasted finish and high-grade stainless construction\u003c\/li\u003e\n    \u003cli\u003eIncreased pipe diameter for reduced back pressure and stronger performance potential\u003c\/li\u003e\n    \u003cli\u003eLightweight design with perfect fitment and OE-level integration\u003c\/li\u003e\n    \u003cli\u003eSpherical connections and factory hanger locations for a clean, secure install\u003c\/li\u003e\n    \u003cli\u003eBacked by a 24 month Remus warranty\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eDimensions\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOE tubing: 70 mm\u003c\/li\u003e\n    \u003cli\u003eRemus tubing: 76 mm\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTailpipe choices sold separately\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Tips are not included and are offered as optional extras.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eStainless chromed angled rolled edge 102 mm\u003c\/li\u003e\n    \u003cli\u003eStainless chromed angled straight cut 102 mm\u003c\/li\u003e\n    \u003cli\u003eStainless chromed straight cut with carbon insert 98 mm\u003c\/li\u003e\n    \u003cli\u003eStainless black chrome straight cut with carbon insert 98 mm\u003c\/li\u003e\n    \u003cli\u003eCarbon tip set with titanium internals 102 mm\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat is included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRemus RACING sports rear silencer with integrated valves\u003c\/li\u003e\n    \u003cli\u003eConnection tube package with spherical joints\u003c\/li\u003e\n    \u003cli\u003eCompatibility with factory valve actuators and vehicle electronics\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBolts to original mounting points for a straightforward fit\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAttention:\u003c\/strong\u003e Cutting of the factory system is required\u003c\/li\u003e\n    \u003cli\u003eValve operation retained through OEM electronics and drive modes\u003c\/li\u003e\n    \u003cli\u003eType reference: G234M, suitable for cars with and without OPF\/GPF\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cstrong\u003eProfessional fitting:\u003c\/strong\u003e We recommend installation by MJ Modifications in Warwickshire. Request a fitting quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW G80 M3 2021 onwards with and without OPF\u003c\/li\u003e\n    \u003cli\u003eBMW G80 M3 Competition 2021 onwards with and without OPF\u003c\/li\u003e\n    \u003cli\u003eBMW G82 M4 2021 onwards with and without OPF\u003c\/li\u003e\n    \u003cli\u003eBMW G82 M4 Competition 2021 onwards with and without OPF\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFitment check:\u003c\/strong\u003e We verify compatibility before dispatch. Add your UK registration or last 7 of your VIN at checkout.\u003c\/p\u003e\n\n  \u003ch3\u003eImportant notice\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003eRACING product. No ECE type approval.\u003c\/strong\u003e Not for use on public roads. For closed-course and track use only.\u003c\/p\u003e\n  \u003cp\u003eAn ECU calibration may be beneficial on track-focused setups to optimise performance and help avoid a warning light.\u003c\/p\u003e\n\n  \u003ch3\u003eBrand\u003c\/h3\u003e\n  \u003cp\u003eRemus\u003c\/p\u003e\n\n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003e2 year Remus warranty, non-transferable\u003c\/p\u003e\n\n  \u003ch3\u003eReal-world feedback\u003c\/h3\u003e\n  \u003cp\u003e\n    We have fitted and used this Remus Racing rear section on customer G80 and G82 builds and the response has been excellent. Owners praise the deeper, more aggressive note, premium finish and seamless valve integration that keeps daily usability intact while unlocking serious sound when you want it.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch terms customers use\u003c\/h3\u003e\n  \u003cp\u003e\n    G80 M3 rear silencer, G82 M4 rear box, S58 performance muffler, valve controlled back box BMW, OPF friendly exhaust upgrade, particulate filter compatible rear section, BMW M3 sound upgrade UK, BMW M4 muffler replacement, quad tip rear exhaust G80, quad outlet rear section G82, race rear exhaust M3 Competition, track exhaust M4 Competition, stainless sports rear box BMW S58, Austrian made performance exhaust, plug and play valve exhaust BMW, BMW flap exhaust G80, BMW flap exhaust G82, best sounding rear section S58, performance back box UK stock, Warwickshire exhaust fitting.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Remus","offers":[{"title":"Default Title","offer_id":56008730247554,"sku":null,"price":1904.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/RemusBMWG80G82RacingAxle-BackExhaustSystem_M3_M3Competition_M4_M4Competition_-1_1946x_2f70d6f4-8b66-44e3-b382-b641e1a5ccf8.jpg?v=1764091438","url":"https:\/\/mjmodifications.co.uk\/products\/remus-bmw-g80-g82-racing-axle-back-exhaust-system-m3-m3-competition-m4-m4-competition","provider":"MJ Modifications","version":"1.0","type":"link"}