{"product_id":"milltek-active-valved-cat-back-for-ford-mustang-5-0-dark-horse-polished-tips-ssxfd420","title":"Milltek Active Valved Cat-Back for Ford Mustang 5.0 Dark Horse, Polished Tips","description":"\u003cp\u003eMilltek Race Active Valved Cat-Back exhaust system for Ford Mustang 5.0 V8 (Dark Horse, Mach 1). Direct factory fitment; uses OEM hangers, no modification required. Cat-back configuration preserves OEM catalytic converters.\u003c\/p\u003e\n\u003cp\u003eT304L stainless steel construction with mandrel-bent piping and hand-finished GT-115 polished tips (4.5-inch diameter). Active valve system integrates with factory electronics for progressive sound character: closed-throttle refinement, full-throttle aggression. H-pipe cross-flow design optimizes scavenging and tone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFord Mustang 5.0 V8 Dark Horse (2024+)\u003c\/li\u003e\n\u003cli\u003eFord Mustang 5.0 V8 Mach 1 (2021-2023)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Engineered for both street and closed-course use. Performance-tuned exhaust note engineered for real power delivery without artificial restriction. \u003c\/p\u003e\n\u003cp\u003eDesigned in Tennessee and manufactured in the UK with 40+ years of performance exhaust heritage. Tested on the Tail of the Dragon.\u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2021-2023 Ford Mustang Mach 1\u003c\/li\u003e\n\u003cli\u003e2024-2026 Ford Mustang Dark Horse\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150950134046,"sku":"MILSSXFD420","price":3224.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXFD420_1.jpg?v=1791257163","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-active-valved-cat-back-for-ford-mustang-5-0-dark-horse-polished-tips-ssxfd420","provider":"Signature Autohaus","version":"1.0","type":"link"}