{"product_id":"milltek-active-valved-cat-back-with-h-pipe-system-brushed-titanium-tips-2026-mustang-5-0l-gt-fastback","title":"Milltek Active Valved Cat-Back with H-Pipe System (Brushed Titanium Tips) – 2026 Mustang 5.0L GT Fastback","description":"\u003cdiv class=\"description\"\u003e\n\n    \u003cp\u003eThe \u003cstrong\u003eMilltek Active Valved Cat-Back Exhaust System\u003c\/strong\u003e with \u003cstrong\u003eH-Pipe\u003c\/strong\u003e and \u003cstrong\u003eBrushed Titanium Tips\u003c\/strong\u003e is a clean, track-inspired upgrade for 2026 Mustang GT owners who care just as much about sound and performance as they do about build quality and finish. This system brings together a refined exhaust tone, factory valve compatibility, and raw titanium styling—without drowning out your ears or your wallet.\u003c\/p\u003e\n    \n    \u003ch2\u003eWhat It Solves\u003c\/h2\u003e\n    \u003cp\u003eThe stock cat-back on the 2026 Mustang GT is bland—plain tone, excessive restriction, and mufflers that feel more like silencers. It doesn’t match the GT’s aggressive styling or performance potential. Milltek’s system opens up the flow, sharpens the tone, and adds \u003cstrong\u003eadjustable volume control\u003c\/strong\u003e while replacing the stock pipes with higher-quality stainless and titanium-backed materials.\u003c\/p\u003e\n    \n    \u003ch2\u003eWhat It Improves Over Stock\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003eSignificantly reduces \u003cstrong\u003ebackpressure\u003c\/strong\u003e while improving throttle response\u003c\/li\u003e\n      \u003cli\u003eRetains \u003cstrong\u003efactory active valve control\u003c\/strong\u003e with a noticeably more refined and aggressive tone\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBrushed titanium-finish tips\u003c\/strong\u003e bring a motorsport aesthetic that looks killer without being flashy\u003c\/li\u003e\n      \u003cli\u003eBoosts flow and sound in the mid-to-high RPM range—exactly where the Coyote engine comes alive\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eYou’ll find it listed in our \u003ca href=\"https:\/\/www.lethalperformance.com\/shop-now\/vehicle-selector\/ford-mustang-v8-gt\/2026-2025-mustang-gt\/exhaust\/catbacks\"\u003e2026-2025 Mustang GT Cat-Back Exhaust collection\u003c\/a\u003e for good reason—this setup hits that sweet spot between daily civility and weekend aggression.\u003c\/p\u003e\n    \n    \u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eActive Valved Design\u003c\/strong\u003e: Works with your factory valve motors to give you adjustable tone based on your drive mode or throttle position.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eH-Pipe Crossover\u003c\/strong\u003e: Delivers that classic, deep American V8 sound while preserving midrange torque.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBrushed Titanium Quad Tips\u003c\/strong\u003e: Subtle but premium—less flash than burnt or polished finishes, but all business.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eT304 Stainless Steel Construction\u003c\/strong\u003e: High-grade metal resists corrosion, handles heat, and lasts longer than OEM components.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eThis system is also part of our full line of \u003ca href=\"https:\/\/www.lethalperformance.com\/shop-now\/vehicle-selector\/ford-mustang-v8-gt\/2026-2025-mustang-gt\/exhaust\/catbacks\/milltek\"\u003eMilltek cat-back exhaust systems\u003c\/a\u003e, giving you tip and finish options depending on your build’s style.\u003c\/p\u003e\n    \n    \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: T304 stainless steel piping with brushed titanium-finish quad tips\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWeight Savings\u003c\/strong\u003e: Yes – lighter than the OEM system thanks to less restrictive mufflers and more efficient materials\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAdjustability\u003c\/strong\u003e: Fully compatible with the factory active valve system; switches tone with drive mode\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAdditional Required Components\u003c\/strong\u003e: None—uses OEM valve actuators\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: SSXFD431\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003ch2\u003eWho This is For\u003c\/h2\u003e\n    \u003cp\u003eThis system is built for \u003cstrong\u003e2026 Mustang GT Fastback owners\u003c\/strong\u003e running \u003cstrong\u003efactory active exhaust\u003c\/strong\u003e. If you're after a more refined, less over-the-top sound and want something that actually looks like a performance part when you're parked, this brushed titanium version is your move. It’s also a smart pick for folks running bolt-on power mods who don’t want to add a tune just to install an exhaust.\u003c\/p\u003e\n    \u003cp\u003eIf your GT doesn’t have the factory valve setup, this system won’t function correctly.\u003c\/p\u003e\n    \n    \u003ch2\u003eFitment \u0026amp; Installation Notes\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eVehicle Compatibility\u003c\/strong\u003e: 2026 Ford Mustang GT Fastback (5.0L V8), automatic or manual\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDirect Fitment or Requires Modifications\u003c\/strong\u003e: Direct bolt-on—no cutting, welding, or adapters required\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eInstallation Requirements\u003c\/strong\u003e:\n        \u003cul\u003e\n          \u003cli\u003eRetain and reuse OEM active valve motors\u003c\/li\u003e\n          \u003cli\u003eNo tuning or calibration necessary\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eProfessional installation recommended\u003c\/strong\u003e for correct valve transfer and tip alignment\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003ch3\u003eWarnings\u003c\/h3\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOnly compatible with factory active exhaust models\u003c\/strong\u003e—if your GT didn’t come with valves, this system isn’t for you.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eNot compatible with convertible models\u003c\/strong\u003e due to chassis differences.\u003c\/li\u003e\n      \u003cli\u003eWorks well on its own but pairs best with long tube headers or a high-flow mid-pipe—don’t expect full gains without addressing upstream restrictions.\u003c\/li\u003e\n      \u003cli\u003eIf you’re only swapping the rear section or want minor upgrades, this system might be overkill. Most buyers should go with the \u003cstrong\u003efull cat-back system\u003c\/strong\u003e like this one to get their money’s worth in both tone and power.\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003cp\u003eIf you want a setup that sounds tough, looks legit, and doesn’t scream “aftermarket” from a mile away, this Milltek system with brushed titanium tips checks every box. It’s aggressive when you want it, smooth when you don’t, and built for the kind of Mustang owner who knows their hardware.\u003c\/p\u003e    \n\u003c\/div\u003e\n\u003cstyle\u003e\n    .description a {\n        color: #00a2e5 !important;\n    }\n    .description ul {\n        list-style: disc !important;\n        margin-left: 20px !important;\n        margin-bottom: 30px !important;\n    }\n    .description li {\n        float: none !important;\n    }\n    .description h2 {\n        margin-bottom: 20px;\n        display: block !important;\n    }\n    .description iframe {\n        margin: 30px auto;\n    }\n    .description hr {\n        margin: 30px auto;\n    }\n\u003c\/style\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":48146748211458,"sku":"MTK-SSXFD431","price":3545.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/ssxfd431.jpg?v=1785009128","url":"https:\/\/www.lethalperformance.com\/products\/milltek-active-valved-cat-back-with-h-pipe-system-brushed-titanium-tips-2026-mustang-5-0l-gt-fastback","provider":"Lethal Performance","version":"1.0","type":"link"}