TUNING CALCULATOR
Enter your reg below to see tuning gains, power increases, and available upgrade options.
In-House Dyno Facilities
We use our own dyno to test, refine, and verify every tuning file. You’ll see exactly what your car gains, with graphs to back it up.
Genuine Custom Tuning
We don’t use pre-loaded or generic maps. Each car is calibrated based on its condition, setup, and how it’s driven.
Safe, Reliable Performance
We focus on strong, reliable gains — not pushing things for the sake of numbers. Expect better drivability, power delivery, and consistency.
Full Support Included
You’re not just getting a remap. We offer full support, including data review and updates if needed - before, during, and after.
Seat Cupra Stage 1
BMW M4 - Stage 1
Ford Fiesta ST - Stage 1
Audi S3 - Stage 2
Why Choose Rival Performance?
With years of hands-on experience in performance tuning and diagnostics, we’re trusted by car enthusiasts across the UK. We operate from a dedicated industrial unit in Newcastle, equipped with a state-of-the-art dyno cell and workshop facilities.
Unlike mobile tuners offering one-size-fits-all files and disappearing after a job, we offer a permanent location, full support, and custom-developed calibrations tailored to your setup. Whether it’s a fast road car a daily van, we deliver results you can rely on, with proper data to back it up.