{"product_id":"milltek-road-cat-back-exhaust-for-audi-b9-rs4-avant-rs5-cerakote-black-tips-ssxau861","title":"Milltek Road+ Cat-Back Exhaust for Audi B9 RS4 Avant RS5, Cerakote Black Tips","description":"\u003cp\u003eMilltek Road+ Cat-Back Exhaust System for Audi B9 RS4 Avant and RS5 Coupe (2018-2019, Non-GPF models). Direct factory fitment replacement using OEM hangers and mounting points; no modification required.\u003c\/p\u003e\n\u003cp\u003eConstructed from T304L stainless steel with hand-finished Cerakote Black oval trims. The 2.76\" (70mm) mandrel-bent pipe maximizes exhaust scavenging. Road+ design balances resonance tuning between full non-resonated and resonated character-engineered as the optimal upgrade when pairing with turbo-back systems or standalone cat-back installation.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\t\u003cli\u003eAudi B9 RS5 Coupe (2018-2019, Non-GPF)\u003c\/li\u003e\n\t\u003cli\u003eAudi B9 RS4 Avant (2018-2019, Non-GPF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul\u003e\n\t\u003cli\u003ePipe Diameter: 2.76\" (70mm) mandrel-bent\u003c\/li\u003e\n\t\u003cli\u003eMaterial: T304L stainless steel\u003c\/li\u003e\n\t\u003cli\u003eFinish: Hand-finished Cerakote Black oval tips\u003c\/li\u003e\n\t\u003cli\u003eFitment Type: Cat-back (turbo and cat remain OEM)\u003c\/li\u003e\n\t\u003cli\u003eInstallation: Direct replacement, OEM+ fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Every system is dyno-tested and EC-approved for street use. The Road+ tuning balances mid-range responsiveness with controlled resonance-ideal for daily drivers seeking tangible performance without excessive drone. \u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.\u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2018-2019 Audi RS5 Base\u003c\/li\u003e\n\u003cli\u003e2021-2023 Audi RS5 Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150637297950,"sku":"MILSSXAU861","price":3941.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU861_1.jpg?v=1791253747","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-road-cat-back-exhaust-for-audi-b9-rs4-avant-rs5-cerakote-black-tips-ssxau861","provider":"Signature Autohaus","version":"1.0","type":"link"}