Your exhaust has a loud mode. Your car keeps shutting it off.
Open Valve is a tiny plug-and-play adaptor that pins your factory exhaust valves wide open — on demand, from a pocket remote. No tune. No remap. No warning lights. Off-road use only, on-road grin guaranteed.
Find your car
- 10 min
- Average install
- 100%
- Reversible
- 0
- Warning lights
- 24 hr
- UK dispatch
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Why bother
Sport mode is a lie.
Modern performance cars open the exhaust valves for a few seconds at full throttle, then quietly shut them again before the neighbours complain. You bought the noise. The ECU keeps stealing it back. Open Valve hands it back to you, on a button, for as long as you want it.
- Plug-and-play
- Wireless remote
- No tools needed
- Fully reversible
- Real factory tone
- Doesn't touch the ECU
In the metal
Press the button.
Hear the difference.
How it works
Two buttons. One job. Zero compromise.
Valves locked open
Press the top button. The module overrides the close signal from the ECU and your exhaust valves hold wide open in every drive mode, at every RPM. The car still drives identically — it just sounds the way it does on full song, all the time.
Back to factory
Press the bottom button. Control returns instantly to the OEM ECU. It never forces the valves closed — that's a thing we deliberately do not do, because the engine map sometimes needs them open. Safe, sensible, silent on demand.
Ready to hear what you paid for?
Find your make and model, plug it in tonight, scare yourself on the drive to work tomorrow.
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