G-R Performance LTD

G-R Performance LTD G-R Performance - Performance and Motorsport preperation, Aftermarket ECU installation, Remapping, C We also offer a wide range of services for other marques.

G-R Performance offer a wide range of services, from simple remaps to full race car builds. We can cater for any need.....

Whilst we specialise in Mitsubishi and Subaru tuning. Including Peugeot/Citroen, Vauxhall, Ford, Mazda, Nissan and Toyota. We also have in house fabrication facilities to make every part of your build meet your exact needs. From custom made catch tanks, to exhaust manifolds a

nd exhaust systems for full turbo conversions. Our on site AWD Dastek Rolling road allows us to offer a comprehensive range of ecu remapping services. From custom maps on OEM ecu's, to full aftermarket Standalone systems from manufacturers like Syvecs, Motec, Alcatek, Link and DTA.

06/05/2026
05/05/2026
30/04/2026

2 likes, 1 comment. "Inside AKB Racing’s CRAZY Mitsubishi Evo 9 Time Attack Car!"

27/04/2026
Another batch of Xona Rotor turbos delivered today from Aet Turbos, all these are X2C small frame, despite their small s...
01/10/2025

Another batch of Xona Rotor turbos delivered today from Aet Turbos, all these are X2C small frame, despite their small size there's over 1700bhp of dyno proven power sat in this little collection! 💪

01/10/2025
27/06/2025
30/05/2025

Evo 8 mapped this morning, after initially getting strong results at 1.2bar, the power returns when going to 1.8bar were poor, after a quick check round we found the existing Jasma exhaust had 2.25 inch backbox internals 🤦‍♂️
After a quick chat with the customer off came the old system and on went a G-R Performance 3" cat pipe and catback, and back in the dyno.
End result 400.3bhp and one extremely happy customer, with a proper Evo exhaust note as a bonus.

21/05/2025

After a full build over the winter, mapping is nearing completion on Ryan Barkers Renault Megane.
Equipped with a Honda K24 engine, with a Xona Rotor X2C turbo kit, and a VW DQ250 DSG gearbox, all controlled via an ECUmaster PMU24DL and Syvecs S7 Plus ECU 🔥💪🔥

Address

A19 Aven Industrial Park, Maltby
Rotherham
S667QR

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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