Ford Mustang GT S550 Valved Sport Exhaust System
Ford Mustang GT S550 Valved Sport Exhaust System - Quad Tips / Stainless steel is backordered and will ship as soon as it is back in stock.
Pickup available at LMTLS Auto
Usually ready in 24 hours
Delivery and Shipping
Delivery and Shipping
At LMTLS Auto, we prioritize getting your orders to you in a timely and safe manner. We also understand that accidents can happen during transit, which is why we’ve partnered with Navidium Protection to offer added peace of mind with every purchase.
Please allow up to 48 hours to process and ship your IN-STOCK ORDER. Orders for items that are not in-stock can take much longer. If you have a time sensitive shipment please email us to ensure there are no delays.
Free shipping promotions do not apply to orders shipping to:
Hawaii, Alaska, Puerto Rico and U.S. outlying territories (Guam, Virgin Islands, Etc.), International orders and limited other occasions.
We reserve the right to cancel any order in which the customer does not want to pay the shipping cost difference.
INTERNATIONAL SHIPMENTS
International orders are shipped via USPS FedEx or DHL.
All international shipments may be subject to customs fees, import duties and taxes. These fees are not integrated into the item pricing or shipping charges. These fees are paid by the buyer, upon arrival to its international destination. Any charges associated with the importation of products purchased from LMTLS Auto are the responsibility of the buyer. We do not pre-pay any customs fees, duties or taxes when the shipment arrives to the international destination. Any costs resulting from the refusal to import a product purchased through LMTLS Auto may result in additional charges.
Ford Mustang GT S550 – Valved Exhaust System
Clean Tone • Adjustable Sound • R&D-Tuned for the Perfect Mustang Note
A New Era of Mustang Sound
The 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 a smooth, refined, yet aggressive tone worthy of the Coyote V8.
By integrating a center resonator, 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.
Sound Experience
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Valves Closed: A composed, neighbor-friendly tone with minimal cabin intrusion—perfect for early mornings or long highway drives.
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Valves Open: A commanding, throaty roar with a refined top-end, free of excessive rasp and harshness.
Performance & Engineering Highlights
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Center Resonator Integration: Smooths exhaust tone and reduces harsh high-frequency rasp.
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Vacuum Actuated Valves: Precision control over sound levels and longevity-focused operation.
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Weight Reduction: 11.3 lbs lighter than the OEM system for improved handling.
Construction & Craftsmanship
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Material: Premium T304 stainless steel for corrosion resistance and durability.
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Finish: Dual-wall black tips for a bold, aggressive appearance.
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Build Quality: Fully mandrel-bent piping and precision TIG welds for strength and maximum flow.
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Reversible Installation: 100% bolt-on design allows you to return to stock at any time.
Fitment
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2015–2023 Ford Mustang GT (S550)
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Does not fit convertible models.
Specifications
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Design: Valved cat-back with center resonator
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Material: T304 stainless steel or Grade 5 titanium
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Tips: Dual-wall black tips
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Weight Savings: 11.3 lbs lighter than OEM
Questions or build guidance? customerservice@valvetronic.com
Refined muscle, unleashed. The perfect sound for your S550 Mustang.
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