Performance • Power • Drivability
Professional performance remapping, gearbox tuning and vehicle software solutions across Essex and surrounding areas.
Built for performance
SX Customs helps drivers unlock stronger power delivery, sharper response and better drivability with tailored ECU and gearbox tuning solutions.
Serving Essex, Chelmsford, Basildon, Brentwood, Southend, Thurrock and surrounding areas.
Our services
Power, torque and response improvements for standard vehicles.
Sharper gear changes and improved drivability.
Diagnostics and software solutions for permitted uses.
DPF diagnostics and specialist software support.
Reliability-focused EGR diagnostics and solutions.
Convenient service across Essex and surrounding areas.
Ready to tune your vehicle?
Message us with your vehicle registration, engine size and what you want from the car. We’ll advise the best route.