About RevX
Built by engineers, not salesmen.
RevX Performance Tuning is a performance calibration studio grounded in automotive engineering. We exist to release usable, reliable power from modern engines without compromising the safety strategies the manufacturer built in.
Every file we write is measured, validated and repeatable — whether the car is a daily diesel covering motorway miles or a weekend build chasing a number on the dyno.
4,800+
Vehicles calibrated
+24%
Average Stage 1 gain
12 months
Software warranty
UK-wide
Coverage and support
How we work
Performance you can trust.
Engineering-led
Calibrations authored by technicians with backgrounds in OEM engine management and motorsport data acquisition.
Safety first
Factory safeguards and knock control are always preserved. We optimise inside the mechanical and thermal limits of your vehicle.
Validated output
Every calibration is finalised against live diagnostics and measured data — never a generic off-the-shelf file.
Hardware aware
We account for your intake, exhaust, fuel grade and supporting modifications before writing a single byte.
Workshop in Bargoed, South Wales.
Appointments are available six days a week, with mobile and UK-wide support for dealer and trade customers.