{"product_id":"milltek-valved-resonated-cat-back-for-ford-mustang-s550-s650-polished-tips-ssxfd434","title":"Milltek Valved Resonated Cat-Back for Ford Mustang S550\/S650, Polished Tips","description":"\u003cp\u003eMilltek valved resonated cat-back exhaust system for Ford Mustang 2.3L EcoBoost (S550 and S650 fastback models). Direct factory fitment using OEM hangers and mounting points-no modification required. Engineered to work with the OE GT 5.0 rear diffuser.\u003c\/p\u003e\u003cp\u003eHand-finished T304L stainless steel construction with mandrel-bent piping and CNC-formed polished trim finishes. Features active exhaust valve technology that opens at full throttle to unlock engineered tone character while maintaining refined cruise-speed acoustics. Resonated design optimizes OE resonance points for balanced full-throttle note without excessive drone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Mustang S550 Fastback (2024+) 2.3L EcoBoost\u003c\/li\u003e\n\u003cli\u003eFord Mustang S650 Fastback (2024+) 2.3L EcoBoost\u003c\/li\u003e\n\u003cli\u003eRequires OE GT 5.0 rear diffuser for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e Dyno-proven performance gains paired with refined sound character. \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\u003e2024-2025 Ford Mustang Dark Horse Premium\u003c\/li\u003e\n\u003cli\u003e2024-2026 Ford Mustang Base\u003c\/li\u003e\n\u003cli\u003e2024-2026 Ford Mustang Dark Horse\u003c\/li\u003e\n\u003cli\u003e2024-2026 Ford Mustang EcoBoost\u003c\/li\u003e\n\u003cli\u003e2024-2026 Ford Mustang EcoBoost Premium\u003c\/li\u003e\n\u003cli\u003e2024-2026 Ford Mustang GT\u003c\/li\u003e\n\u003cli\u003e2024-2026 Ford Mustang GT Premium\u003c\/li\u003e\n\u003cli\u003e2025 Ford Mustang GTD\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150952624414,"sku":"MILSSXFD434","price":3667.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXFD434_1.jpg?v=1791257268","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-valved-resonated-cat-back-for-ford-mustang-s550-s650-polished-tips-ssxfd434","provider":"Signature Autohaus","version":"1.0","type":"link"}