Ford Mustang GT S550 Valved Sport Exhaust System
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
Valves Closed: A composed, neighbor-friendly tone with minimal cabin intrusion—perfect for early mornings or long highway drives.
Valves Open: A commanding, throaty roar with a refined top-end, free of excessive rasp and harshness.
Performance & Engineering Highlights
Center Resonator Integration: Smooths exhaust tone and reduces harsh high-frequency rasp.
Vacuum Actuated Valves: Precision control over sound levels and longevity-focused operation.
Weight Reduction: 11.3 lbs lighter than the OEM system for improved handling.
Construction & Craftsmanship
Material: Premium T304 stainless steel for corrosion resistance and durability.
Finish: Dual-wall black tips for a bold, aggressive appearance.
Build Quality: Fully mandrel-bent piping and precision TIG welds for strength and maximum flow.
Reversible Installation: 100% bolt-on design allows you to return to stock at any time.
Fitment
2015—2023 Ford Mustang GT (S550)
Does not fit convertible models.
Specifications
Design: Valved cat-back with center resonator
Material: T304 stainless steel or Grade 5 titanium
Tips: Dual-wall black tips
Weight Savings: 11.3 lbs lighter than OEM
Refined muscle, unleashed. The perfect sound for your S550 Mustang.
Emissions disclaimer: This product is intended for off-road, race, or closed-course competition use only and is not legal for use on pollution-controlled vehicles operated on public roads in most states and provinces. You are responsible for compliance with all applicable emissions laws. Please check your local laws before purchase and installation.
Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.
Pairs well with
Ford Mustang GT S550 Valved Sport Exhaust System
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