Description:

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, Valvetronic’s 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.

Features:

Fitment: 2015–2023 Ford Mustang GT (S550)
Fitment Note: Does not fit convertible models
Material: Brushed T304 Stainless Steel
System Type: Valved cat-back with center resonator
Tips: Dual Tips
Valves: Vacuum-actuated exhaust valves (3" valve diameter)
Control: Valve controller included
Valves Open: A commanding, throaty roar with a refined top-end, free of excessive rasp and harshness
Valves Closed: A composed, neighbor-friendly tone with minimal cabin intrusion—perfect for early mornings or long highway drives
Weight Savings: 11.3 lbs lighter than OEM
Included: Ford Mustang GT S550/S650 non convertible valved exhaust system, and Valve controller kit included with system
Installation: Due to the complexity of the design, professional installation is strongly recommended
Product Weight: 81 lbs
Manufacturer Part Number: FRD.S550.S650.VSES.BR
Made In: China
Warranty: Lifetime of Ownership limited warranty on 304 stainless steel and titanium exhaust tubes and welds (including penetrating rust); 3-year limited warranty on mufflers and resonators; 1-year limited warranty on valves, vacuum pots, remotes, electronics and tip finish (original purchaser only)

Sound Clip 1

Sound Clip 2

Valve Troubleshooting Guide

Valvetronic Warranty & Returns Policy

SKU’S:
FRDS550S650VSESBR3