{"product_id":"akrapovic-bmw-g80-g82-slip-on-line-titanium-exhaust-system-opf-gpf-m3-m3-competition-m4-m4-competition","title":"Akrapovic Slip-On Line Titanium Axle-Back Exhaust (Rear Muffler\/Back Box\/Backbox) for BMW G80 M3\/G82 M4 2021+ incl. Competition \u0026 xDrive, OPF\/GPF Compatible, ECE Approved, Carbon Tip Options – Performance Sports Silencer – S-BM\/T\/21H","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003cp\u003e\n    Elevate your G80 or G82 with a premium titanium axle-back that pairs motorsport craftsmanship with everyday usability. This lightweight rear section is OPF GPF friendly, EU road legal when used as supplied, and finished with stunning carbon-fibre outlets for a true performance look. Part number S-BM\/T\/21H.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy this titanium rear section is the upgrade enthusiasts choose\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eSerious weight saving for sharper response, with 8.3 kg trimmed over the factory back box.\u003c\/li\u003e\n    \u003cli\u003eReal-world gains proven on the dyno. Uplift of +8.0 kW at 6,000 rpm and +13.9 Nm at 5,000 rpm on a comparable M4 Competition.\u003c\/li\u003e\n    \u003cli\u003eValved sound control included. Refined on cruise, deeper and more aggressive under load.\u003c\/li\u003e\n    \u003cli\u003eTailpipe choices to suit your style. Go bold with octagonal titanium bodies with carbon sleeves, or choose a classic cylindrical option.\u003c\/li\u003e\n    \u003cli\u003eNo coding or remap required. Plug-in installation for both filtered and non-filtered cars.\u003c\/li\u003e\n    \u003cli\u003eOptimised flow from precision cast twin collectors produced in-house for a smooth, clean exit.\u003c\/li\u003e\n    \u003cli\u003eECE approved for vehicles equipped with OPF GPF when installed as a Slip-On only.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey numbers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePower increase: +8.0 kW at 6,000 rpm\u003c\/li\u003e\n    \u003cli\u003eTorque increase: +13.9 Nm at 5,000 rpm\u003c\/li\u003e\n    \u003cli\u003eMass reduction: 8.3 kg versus stock\u003c\/li\u003e\n    \u003cli\u003eMaterial: high-grade titanium with carbon-fibre tailpipe finish\u003c\/li\u003e\n    \u003cli\u003eConfiguration: axle-back Slip-On, OPF GPF compatible\u003c\/li\u003e\n    \u003cli\u003eWorks with xDrive variants\u003c\/li\u003e\n    \u003cli\u003ePart number: S-BM\/T\/21H\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW G80 M3 2021+\u003c\/li\u003e\n    \u003cli\u003eBMW G80 M3 Competition 2021+\u003c\/li\u003e\n    \u003cli\u003eBMW G82 M4 2021+\u003c\/li\u003e\n    \u003cli\u003eBMW G82 M4 Competition 2021+\u003c\/li\u003e\n    \u003cli\u003eIncludes xDrive models\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMandatory tailpipe selection\u003c\/h3\u003e\n  \u003cp\u003e\n    A Tail Pipe Set in carbon is required and purchased separately. Choose the striking octagonal design with carbon sleeve or the timeless cylindrical style to complete your titanium axle-back.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eOptional add-ons for track and closed-circuit use\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOPF delete Evolution titanium link pipe set\u003c\/li\u003e\n    \u003cli\u003eCatless downpipe\u003c\/li\u003e\n    \u003cli\u003eHigh-flow catalytic downpipe\u003c\/li\u003e\n    \u003cli\u003eRear carbon-fibre diffuser in high gloss\u003c\/li\u003e\n    \u003cli\u003eSound Kit\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Important note. If optional link pipes, downpipes or the Sound Kit are installed, ECE approval of the Slip-On Line Titanium is no longer valid.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eRoad legality\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eECE type approved when used as a Slip-On on vehicles equipped with OPF GPF.\u003c\/li\u003e\n    \u003cli\u003eSuitable for OPF and non-OPF cars. No ECU recalibration required for this configuration.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional fitting available at MJ Modifications in Warwickshire. Request a quote via info@mjmodifications.co.uk. We have fitted and used this system extensively and customer feedback on tone, quality and drivability has been consistently excellent.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eManufacturer and warranty\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eManufacturer: Akrapovic\u003c\/li\u003e\n    \u003cli\u003eWarranty: Akrapovic One Year Warranty\u003c\/li\u003e\n    \u003cli\u003ePart number: S-BM\/T\/21H\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSearch-friendly terms\u003c\/h3\u003e\n  \u003cp\u003e\n    G80 M3 titanium axle back, G82 M4 titanium rear section, BMW M3 G80 performance backbox, BMW M4 G82 sports silencer, carbon tailpipe upgrade, EU approved sports exhaust, OPF compatible titanium system, G80 G82 carbon exhaust tips, titanium rear muffler UK, xDrive exhaust upgrade, S-BM\/T\/21H, BMW M3 rear section titanium, BMW M4 rear section titanium, performance exhaust Warwickshire, BMW G80 G82 carbon outlets, titanium back box for M3 M4, UK road legal sports exhaust, Akrapovic titanium axle-back, BMW M3 M4 carbon fibre tips.\n  \u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Akrapovic","offers":[{"title":"Default Title","offer_id":56008691974530,"sku":null,"price":5232.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/AkrapovicBMWG80G82Slip-OnLineTitaniumExhaustSystemOPFGPF_M3_M3Competition_M4_M4Competition_-1_1946x_c0e3a527-8a19-4b31-ad0e-89b147ce4238.png?v=1764090827","url":"https:\/\/mjmodifications.co.uk\/products\/akrapovic-bmw-g80-g82-slip-on-line-titanium-exhaust-system-opf-gpf-m3-m3-competition-m4-m4-competition","provider":"MJ Modifications","version":"1.0","type":"link"}