{"product_id":"eisenmann-rear-exhaust-bmw-g83-m4-convertible","title":"BMW M4 G83 Convertible (S58) Eisenmann Valvetronic Axle-Back Exhaust","description":"\u003cp\u003eEisenmann’s valvetronic axle-back for the M4 G83 Convertible (S58) gives full electronic control over exhaust note - quiet for A-roads, open for that S58 bark. Resonator delete pipes deepen tone without drone. EC Type-Approved and OPF\/GPF compatible, so it’s legal for UK roads.\u003c\/p\u003e\u003cp\u003eSlip-on fitment means no welding or cutting beyond OEM rear section removal. Includes stainless tips with carbon outer sleeves and chrome finish, plus all clamps and documentation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eValvetronic remote-controlled valves - no manual cables or aftermarket controllers\u003c\/li\u003e\n\u003cli\u003eFits all G83 M4 Convertibles with S58 engine, including GPF and non-GPF variants\u003c\/li\u003e\n\u003cli\u003eNo ECU coding required - plug-and-play with factory valve integration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eisenmann","offers":[{"title":"Sport \/ 4x Ø 110 mm Chrome\/Aluminium Brushed","offer_id":54919379976535,"sku":"B5478.01104.31","price":3689.99,"currency_code":"GBP","in_stock":true},{"title":"Sport \/ 4x Ø 110 mm Chrome\/Aluminium Black Anodised","offer_id":54919380009303,"sku":"B5478.01104.32","price":3689.99,"currency_code":"GBP","in_stock":true},{"title":"Sport \/ 4x Ø 110 mm Chrome\/Carbon","offer_id":54919380042071,"sku":"B5478.01104.CSS","price":4249.99,"currency_code":"GBP","in_stock":true},{"title":"Race \/ 4x Ø 110 mm Chrome\/Aluminium Brushed","offer_id":54919380074839,"sku":"B5478.21104.31","price":3689.99,"currency_code":"GBP","in_stock":true},{"title":"Race \/ 4x Ø 110 mm Chrome\/Aluminium Black Anodised","offer_id":54919380107607,"sku":"B5478.21104.32","price":3689.99,"currency_code":"GBP","in_stock":true},{"title":"Race \/ 4x Ø 110 mm Chrome\/Carbon","offer_id":54919380140375,"sku":"B5478.21104.CSS","price":4249.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/4575\/7271\/files\/eisenmann-rear-exhaust-bmw-g83-m4-convertible-636835.jpg?v=1788750079","url":"https:\/\/cuzracecars.com\/products\/eisenmann-rear-exhaust-bmw-g83-m4-convertible","provider":"Cuz Race Cars","version":"1.0","type":"link"}