{"product_id":"milltek-secondary-catalyst-bypass-for-audi-rs3-8v-dual-catalyst-systems-ssxau588","title":"Milltek Secondary Catalyst Bypass for Audi RS3 8V Dual Catalyst Systems","description":"\u003cp\u003eThe Milltek Cat Back Secondary Catalyst Bypass removes the secondary catalyst from dual-pipe exhaust assemblies, improving gas flow and reducing restriction. Direct bolt-on fitment uses OEM hangers—no modifications required.\u003c\/p\u003e\u003cp\u003eHand-finished T304L stainless steel construction. Compatible with both OE and Milltek cat-back systems. Not required on turbo-back systems. Designed for vehicles with secondary catalyst architectures common to VAG platforms.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits OE cat-back exhaust systems\u003c\/li\u003e\n\u003cli\u003eFits Milltek cat-back exhaust systems\u003c\/li\u003e\n\u003cli\u003eT304L stainless steel, mandrel-bent construction\u003c\/li\u003e\n\u003cli\u003eOEM+ fitment, uses factory hangers\u003c\/li\u003e\n\u003cli\u003eEngineered to eliminate secondary cat restriction\u003c\/li\u003e\n\u003c\/ul\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\u003e2017-2020 Audi RS3 Base\u003c\/li\u003e\n\u003cli\u003e2018-2022 Audi TT RS Quattro Base\u003c\/li\u003e\n\u003cli\u003e2022-2026 Audi RS3 Base\u003c\/li\u003e\n\u003cli\u003e2022 Audi TT RS Quattro Heritage Edition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150564552990,"sku":"MILSSXAU588","price":330.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU588_1.jpg?v=1791252454","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-secondary-catalyst-bypass-for-audi-rs3-8v-dual-catalyst-systems-ssxau588","provider":"Signature Autohaus","version":"1.0","type":"link"}