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The S650 Mustang GT is the most advanced Mustang yet—but when paired with headers, its soundtrack can become overly raspy and unrefined. Valvetronic Designs set out to perfect that sound. After extensive R&D, we’ve engineered a 3.0-inch valved exhaust system featuring a center resonator that tames unwanted rasp while unleashing a raw yet smooth tone that’s pure driving joy.
Whether connected to factory manifolds or adapted for aftermarket headers, this system is designed to bring out the best in your Mustang’s V8 character.
Valves Closed: A refined, composed tone for street driving—ideal for early mornings, neighborhood cruising, or long-distance comfort.
Valves Open: Aggressive, full-bodied roar with a clean top-end—perfect for spirited driving and track days.
3.0" Mandrel-Bent Piping: Maximizes exhaust flow for improved throttle response and horsepower gains.
Center Resonator Integration: Smooths the tone and reduces excessive rasp from headers.
Vacuum Actuated Exhaust Valves: Long-lasting design with precise sound control at the touch of a button.
Weight Savings: 6.3 lbs lighter than the OEM exhaust system.
Material: Premium T304 stainless steel for strength and corrosion resistance, Or Our signature Grade 5 titanium for the pinnacle in lightweight performance and sound quality
Finish: Dual-wall black tips for a bold, performance-focused aesthetic.
Precision Build: TIG-welded for exceptional durability and flawless flow.
Reversible Installation: 100% bolt-on design allows a return to stock at any time.
2024+ Ford Mustang GT (S650)
Does not fit convertible models.
Design: Valved cat-back with center resonator
Material: T304 stainless steel or Grade 5 titanium
Tip Style: Dual-wall black tips
Weight Savings: 6.3 lbs lighter than OEM in stainless / 36.3 lbs lighter in titanium
Questions or build guidance? customerservice@valvetronic.com
The perfect balance of aggression and refinement—built for the new generation Mustang.
Questions?
Small items arrive to you in under 1 week
Larger products like full suspension kits must ship freight and can take 1-3 Weeks
Instructions are included for most parts that require any sort of knowledge to install.
Here's what to do if your parts come WITHOUT instructions:
1. Some parts are genuinely common sense on how they get installed
2. If you can't figure it out on your own, YOUTUBE IS YOUR FRIEND! Our founder started this company from learning how to build headlights off a YouTube Video
3. If there are no videos on YouTube, or instructions anywhere on Google then please CALL OR EMAIL US and we will guide you through or get you instructions from the manufacturer
4. Doing installs on your own is always fun, but sometimes, it isn't. Always consider having your parts professionally installed
ALWAYS CONSIDER US. We sold you the parts, let us install them at THE LAB in Connecticut. We offer enclosed and open cross country transportation.
Of course you won't want to spend thousands on transportation to install lug nuts or emblems but if you are spending a LOT of money on parts, you may just want to send the car our way
If the part was NOT installed, we accept returns within 14 days of delivery.
If the part WAS installed (or attempted installation), we cannot accept a return.
All parts come with Manufacturer Warranty! Each manufacturer has different warranties so we suggest reading up on their warranty policy before ordering.
YES! If you come across a competitor with a lower advertised price than us, we will BEAT it by at LEAST 1%. Please contact us with proof of the lower priced product.
NO! We do not give out discounts or do sponsorships. You can get 5% OFF your first order by signing up for text & email notifications. OR just wait until our BLACK FRIDAY Sale that happens once a year.
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Active Hours: 9:00 AM To 5:00 Pm (Mon To Fri)
Phone: (475) 227-5381
Email: sales@legendsautoparts.com
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