{"product_id":"remus-axle-back-racing-system-left-right-with-integrated-valves-using-the-oe-valve-control-system-with-4-tail-pipes-a-84-mm-straight-carbon-insert-4-series-g22-m440i-xdrive-275-kw-b58b30b-2019","title":"Remus Axle-Back Valved Exhaust Rear Section for BMW 4 Series G22 Coupe M440i xDrive (B58) 2019+ | Performance Back Box\/Muffler Rear Silencer with OE Valve Control | Quad 84mm Straight Carbon Fibre Tips | Stainless Steel","description":"\u003cdiv\u003e\n  \u003ch2\u003eRear section performance exhaust with valve control and quad 84 mm carbon-finished tips for BMW 4 Series G22 M440i xDrive\u003c\/h2\u003e\n\n  \u003cp\u003eUnlock the deep, motorsport tone your B58-powered M440i deserves with this premium rear section upgrade. Built in Austria from full stainless steel with a shot-peened style finish, it retains the car’s original valve operation for everyday refinement and an aggressive soundtrack on demand. Quad 84 mm straight-cut outlets with carbon fibre inserts complete the look with a true OEM-plus finish.\u003c\/p\u003e\n\n  \u003cp\u003eWe have fitted this system for customers at MJ Modifications and the feedback has been outstanding – crisper throttle response, cleaner flow and a purposeful sound that suits the G22 coupe perfectly.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy choose this exhaust for your BMW G22 M440i\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthentic racing character with a refined note when the valves are closed\u003c\/li\u003e\n    \u003cli\u003eImproved gas flow for reduced restriction and sharper response\u003c\/li\u003e\n    \u003cli\u003eHandcrafted stainless construction for durability and heat resistance\u003c\/li\u003e\n    \u003cli\u003eLighter than the factory rear box for a small but welcome weight saving\u003c\/li\u003e\n    \u003cli\u003eOEM-like fitment and alignment of the quad outlets\u003c\/li\u003e\n    \u003cli\u003e84 mm straight-cut tips with carbon fibre inserts for a premium finish\u003c\/li\u003e\n    \u003cli\u003eKeeps your car’s factory flap control for seamless drive mode integration\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitment and compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVehicle: BMW 4 Series G22 M440i xDrive with the B58B30B engine\u003c\/li\u003e\n    \u003cli\u003eModel years: 2019 onward\u003c\/li\u003e\n    \u003cli\u003eRequires cutting of the stock rear section during installation\u003c\/li\u003e\n    \u003cli\u003eOnly for cars with the M Sport package and when used together with the BMW OE rear diffuser from the M340i G20 – BMW part number 51 12 8 069 391\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey specs\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eQuad outlets: 84 mm diameter, straight cut, carbon fibre insert\u003c\/li\u003e\n    \u003cli\u003eMaterial: full stainless steel, shot-blasted style finish\u003c\/li\u003e\n    \u003cli\u003eValve operation: integrates with the vehicle’s original control\u003c\/li\u003e\n    \u003cli\u003eManufactured in Austria\u003c\/li\u003e\n    \u003cli\u003ePart number: 085020 0000 + 085120 1500 + 0046 83C\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat you can expect\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eA deeper, sportier tone that comes alive under load\u003c\/li\u003e\n    \u003cli\u003eLow back pressure design for efficient flow\u003c\/li\u003e\n    \u003cli\u003ePrecision-built rear section for a neat, factory-style installation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eProfessional installation\u003c\/h3\u003e\n  \u003cp\u003eWe strongly recommend professional fitting. MJ Modifications in Warwickshire can install this system and set up the valve integration correctly. Request a fitting quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n\n  \u003cp\u003eSearching for BMW G22 exhaust upgrade, M440i performance exhaust, B58 valved rear box, quad carbon tips or stainless rear silencer for 4 Series coupe? This is the premium solution for sound, style and performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55977407283586,"sku":"REM21C-333","price":2538.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/0851201500__60578.1635942443.jpg?v=1763374493","url":"https:\/\/mjmodifications.co.uk\/products\/remus-axle-back-racing-system-left-right-with-integrated-valves-using-the-oe-valve-control-system-with-4-tail-pipes-a-84-mm-straight-carbon-insert-4-series-g22-m440i-xdrive-275-kw-b58b30b-2019","provider":"MJ Modifications","version":"1.0","type":"link"}