$595.00 USD
$595.00 USD
























































































T304 Stainless Steel/Grade 5 Titanium • Valve Control • Lightweight Design
The A90 Supra debuted with stunning looks but left enthusiasts craving a sharper, more aggressive sound. Valvetronic Designs answers that call with our full valved exhaust system, engineered to unlock the Supra’s hidden potential while giving you complete control over your sound experience.
With valves open, the system flows with minimal restriction for a raw, motorsport-inspired tone that brings the Supra’s character to life. Close the valves, and exhaust gases are routed through our quad-chambered muffler—dramatically reducing volume and keeping your neighbors happy. The perfect balance of daily comfort and thrilling performance, all at the touch of a button.
T304 Stainless Steel Construction: Built for strength, durability, and long-lasting performance.
Vacuum-Actuated Valves: Switch instantly between quiet and aggressive modes.
Mandrel-Bent Tubing: Ensures smooth, unrestricted exhaust flow for maximum performance.
Precision TIG Welds: High-strength craftsmanship that guarantees both durability and aesthetics.
Weight Savings: Stainless Steel 11.1 lbs lighter than factory exhaust, Titanium 25 lbs lighter than factory, improving overall dynamics.
100% Reversible: Always possible to return to stock configuration.
Valves Open: A raw, aggressive tone that transforms the Supra into a head-turning performance machine.
Valves Closed: A refined, subdued sound perfect for city driving or late-night starts.
Quad-Chambered Muffler: Ensures a smooth, balanced tone with zero unwanted rasp.
5 inch Tips: Beautifully finished tips that complement the Supra’s sculpted rear profile.
Refined Craftsmanship: Every weld and bend is designed to not only perform, but also impress.
2020+ Toyota Supra A90 / A91
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.