{"product_id":"ford-mustang-gt-s550-valved-sport-exhaust-system","title":"Ford Mustang GT S550 Valved Sport Exhaust System","description":"\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Z4BnQANHhGA?si=FdVZADe-9B6RnXPR\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch1 data-end=\"204\" data-start=\"152\"\u003e\u003cstrong data-end=\"202\" data-start=\"154\"\u003eFord Mustang GT S550 – Valved Exhaust System\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 data-end=\"281\" data-start=\"205\"\u003eClean Tone • Adjustable Sound • R\u0026amp;D-Tuned for the Perfect Mustang Note\u003c\/h3\u003e\n\u003chr data-end=\"286\" data-start=\"283\"\u003e\n\u003ch2 data-end=\"323\" data-start=\"288\"\u003e\u003cstrong data-end=\"321\" data-start=\"291\"\u003eA New Era of Mustang Sound\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"672\" data-start=\"324\"\u003eThe S550 Mustang GT is an icon of American muscle—but when fitted with aftermarket headers, the sound can become harsh, raspy, and unruly. Valvetronic Designs has created the definitive solution: a valved exhaust system engineered to deliver \u003cstrong data-end=\"645\" data-start=\"603\"\u003ea smooth, refined, yet aggressive tone\u003c\/strong\u003e worthy of the Coyote V8.\u003c\/p\u003e\n\u003cp data-end=\"958\" data-start=\"674\"\u003eBy integrating a \u003cstrong data-end=\"711\" data-start=\"691\"\u003ecenter resonator\u003c\/strong\u003e, our system tames unwanted rasp while preserving the deep, muscular character Mustang owners crave. Whether paired with factory manifolds or adapted to aftermarket headers, this is the exhaust that finally gets the S550’s soundtrack just right.\u003c\/p\u003e\n\u003cp data-end=\"958\" data-start=\"674\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/rjpV1IUyagI?si=NyjgCkDvkxyzc5lC\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr data-end=\"963\" data-start=\"960\"\u003e\n\u003ch2 data-end=\"990\" data-start=\"965\"\u003e\u003cstrong data-end=\"988\" data-start=\"968\"\u003eSound Experience\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1238\" data-start=\"991\"\u003e\n\u003cli data-end=\"1128\" data-start=\"991\"\u003e\n\u003cp data-end=\"1128\" data-start=\"993\"\u003e\u003cstrong data-end=\"1011\" data-start=\"993\"\u003eValves Closed:\u003c\/strong\u003e A composed, neighbor-friendly tone with minimal cabin intrusion—perfect for early mornings or long highway drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1238\" data-start=\"1129\"\u003e\n\u003cp data-end=\"1238\" data-start=\"1131\"\u003e\u003cstrong data-end=\"1147\" data-start=\"1131\"\u003eValves Open:\u003c\/strong\u003e A commanding, throaty roar with a refined top-end, free of excessive rasp and harshness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1243\" data-start=\"1240\"\u003e\n\u003ch2 data-end=\"1290\" data-start=\"1245\"\u003e\u003cstrong data-end=\"1288\" data-start=\"1248\"\u003ePerformance \u0026amp; Engineering Highlights\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1579\" data-start=\"1291\"\u003e\n\u003cli data-end=\"1388\" data-start=\"1291\"\u003e\n\u003cp data-end=\"1388\" data-start=\"1293\"\u003e\u003cstrong data-end=\"1326\" data-start=\"1293\"\u003eCenter Resonator Integration:\u003c\/strong\u003e Smooths exhaust tone and reduces harsh high-frequency rasp.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1489\" data-start=\"1389\"\u003e\n\u003cp data-end=\"1489\" data-start=\"1391\"\u003e\u003cstrong data-end=\"1418\" data-start=\"1391\"\u003eVacuum Actuated Valves:\u003c\/strong\u003e Precision control over sound levels and longevity-focused operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1579\" data-start=\"1490\"\u003e\n\u003cp data-end=\"1579\" data-start=\"1492\"\u003e\u003cstrong data-end=\"1513\" data-start=\"1492\"\u003eWeight Reduction:\u003c\/strong\u003e \u003cstrong data-end=\"1534\" data-start=\"1514\"\u003e11.3 lbs lighter\u003c\/strong\u003e than the OEM system for improved handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/c7AWn4ycXAY?si=SCNbSjvLyRmJ3KN-\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr data-end=\"1584\" data-start=\"1581\"\u003e\n\u003ch2 data-end=\"1623\" data-start=\"1586\"\u003e\u003cstrong data-end=\"1621\" data-start=\"1589\"\u003eConstruction \u0026amp; Craftsmanship\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1983\" data-start=\"1624\"\u003e\n\u003cli data-end=\"1711\" data-start=\"1624\"\u003e\n\u003cp data-end=\"1711\" data-start=\"1626\"\u003e\u003cstrong data-end=\"1639\" data-start=\"1626\"\u003eMaterial:\u003c\/strong\u003e Premium T304 stainless steel for corrosion resistance and durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1783\" data-start=\"1712\"\u003e\n\u003cp data-end=\"1783\" data-start=\"1714\"\u003e\u003cstrong data-end=\"1725\" data-start=\"1714\"\u003eFinish:\u003c\/strong\u003e Dual-wall black tips for a bold, aggressive appearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1887\" data-start=\"1784\"\u003e\n\u003cp data-end=\"1887\" data-start=\"1786\"\u003e\u003cstrong data-end=\"1804\" data-start=\"1786\"\u003eBuild Quality:\u003c\/strong\u003e Fully mandrel-bent piping and precision TIG welds for strength and maximum flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1983\" data-start=\"1888\"\u003e\n\u003cp data-end=\"1983\" data-start=\"1890\"\u003e\u003cstrong data-end=\"1918\" data-start=\"1890\"\u003eReversible Installation:\u003c\/strong\u003e 100% bolt-on design allows you to return to stock at any time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1988\" data-start=\"1985\"\u003e\n\u003ch2 data-end=\"2006\" data-start=\"1990\"\u003e\u003cstrong data-end=\"2004\" data-start=\"1993\"\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2088\" data-start=\"2007\"\u003e\n\u003cli data-end=\"2047\" data-start=\"2007\"\u003e\n\u003cp data-end=\"2047\" data-start=\"2009\"\u003e\u003cstrong data-end=\"2045\" data-start=\"2009\"\u003e2015–2023 Ford Mustang GT (S550)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2088\" data-start=\"2048\"\u003e\n\u003cp data-end=\"2088\" data-start=\"2050\"\u003eDoes \u003cstrong data-end=\"2062\" data-start=\"2055\"\u003enot\u003c\/strong\u003e fit convertible models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2093\" data-start=\"2090\"\u003e\n\u003ch2 data-end=\"2118\" data-start=\"2095\"\u003e\u003cstrong data-end=\"2116\" data-start=\"2098\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-end=\"2296\" data-start=\"2119\"\u003e\n\u003cli data-end=\"2172\" data-start=\"2119\"\u003e\n\u003cp data-end=\"2172\" data-start=\"2121\"\u003e\u003cstrong data-end=\"2132\" data-start=\"2121\"\u003eDesign:\u003c\/strong\u003e Valved cat-back with center resonator\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2211\" data-start=\"2173\"\u003e\n\u003cp data-end=\"2211\" data-start=\"2175\"\u003e\u003cstrong data-end=\"2188\" data-start=\"2175\"\u003eMaterial:\u003c\/strong\u003e T304 stainless steel or Grade 5 titanium \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2246\" data-start=\"2212\"\u003e\n\u003cp data-end=\"2246\" data-start=\"2214\"\u003e\u003cstrong data-end=\"2223\" data-start=\"2214\"\u003eTips:\u003c\/strong\u003e Dual-wall black tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2296\" data-start=\"2247\"\u003e\n\u003cp data-end=\"2296\" data-start=\"2249\"\u003e\u003cstrong data-end=\"2268\" data-start=\"2249\"\u003eWeight Savings:\u003c\/strong\u003e 11.3 lbs lighter than OEM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2301\" data-start=\"2298\"\u003e\n\u003cp data-end=\"2369\" data-start=\"2303\"\u003eQuestions or build guidance? \u003cstrong data-end=\"2367\" data-start=\"2332\"\u003e\u003ca rel=\"noopener\" class=\"cursor-pointer\" data-end=\"2365\" data-start=\"2334\"\u003ecustomerservice@valvetronic.com\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2444\" data-start=\"2371\"\u003e\u003cstrong data-end=\"2442\" data-start=\"2371\"\u003eRefined muscle, unleashed. The perfect sound for your S550 Mustang.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"included-list\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Valvetronic Designs","offers":[{"title":"Quad Tips \/ Brushed T304 Stainless Steel","offer_id":54050009153811,"sku":"FRD.S550.S650.VSES.BR","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Dual Tips \/ Brushed T304 Stainless Steel","offer_id":54050009186579,"sku":"FRD.S550.S650.DTIP.VSES.BR","price":2499.99,"currency_code":"USD","in_stock":true},{"title":"Quad Tips \/ Grade 5 Titanium","offer_id":54050009219347,"sku":"FRD.S550.S650.VSES.TI","price":3999.99,"currency_code":"USD","in_stock":true},{"title":"Dual Tips \/ Grade 5 Titanium","offer_id":54050009252115,"sku":"FRD.S550.S650.DTIP.VSES.TI","price":3999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/9415\/8611\/files\/A7404553_26b985cb-b9aa-43a3-8fa8-a25a43f23b8b.jpg?v=1776197693","url":"https:\/\/9aftermarket.com\/products\/ford-mustang-gt-s550-valved-sport-exhaust-system","provider":"9 Aftermarket Motorsports","version":"1.0","type":"link"}