Take full control of your exhaust valves
Did you know Sport and Race modes don't keep your valves open all the time?
11MODE keeps them open whenever you want, so you hear the full sound of your exhaust.
Valves stay 100% open in every drive mode
Bypasses the car's control and prevents the valves from closing.
Your valves go back to normal
Your car regains complete control of the valves. It does not force the valves closed.
Turn your exhaust to 11, in minutes.
- Installed in minutes
- No tools needed
- Fully reversible
- Plug and play
In the box
What's included
01Exhaust Controllers
1 per valve
For cars with two exhaust valves, the kit comes with two Exhaust Controllers.
02Remote
Already paired
One remote to control your exhaust, already paired and ready to go. Extra remotes are 30% off with any Exhaust Controller purchase.
All Exhaust Controllers come with one remote. Order a spare at 30% off with any Exhaust Controller purchase.
Questions, answered
Frequently asked questions
Your car doesn't fully hold your exhaust valves open, and in some models and modes they only open partially. Sport and race modes don't keep them open across every RPM, gear and speed. 11MODE gives you full control to open your exhaust up to 11 whenever you want.
11MODE bypasses your car's exhaust valve control and holds the valves fully open on demand. Press the top (open) button and the valves stay open. Press the bottom button and control reverts to normal car operation. It changes sound only and is fully reversible.
Yes. The controller remembers its last setting, ON or OFF, and automatically restores it the next time you start the car. This applies to orders placed after June 2026.
Off hands control back to your car rather than forcing the valves shut. Forcing them closed can risk engine damage if the car needs them open under load, so the button reverts to normal operation instead. Your car then runs the valves exactly as it normally would.
If your aftermarket exhaust keeps your factory valve actuators or motors, 11MODE will still work. If your car normally has one valve motor but the aftermarket exhaust now has two, or uses different motors than stock, let us know or leave a note in your order and we'll check it for you.
11MODE fits 1,000+ petrol performance cars with factory electric exhaust valves, across 23 makes. Use Find your car to check yours in about 30 seconds.
Shipping is free anywhere in the world. There's also an express upgrade if you can't wait to turn your exhaust to 11.
We ship anywhere in the world. Some exceptions may apply, so contact us if you have trouble placing your order.
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Find the controller that fits your car
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Important Notice
We recommend getting your Exhaust Controller installed by a professional.
Exhaust controllers and modifications to vehicle exhaust systems are only recommended for off-road use, racing use or show purposes. They may not be acceptable under emissions and other regulations in your area. Before purchasing, please inform yourself about the legal regulations in your location as it may not comply with local laws.
Please inform yourself about the warranty for your vehicle as it may affect sections of the manufacturer's warranty.
