Toyota gr yaris
bespoke tuning

Toyota GR Yaris Bespoke Tuning Operating in and around Oxfordshire, Berkshire & Wiltshire

Mobile ECU Remapping in Oxford, Reading & Swindon


With the GR Yaris being a highly anticipated car for 2020, now in 2022, we can see the car living up to the hype. Here at AK Performance, we are now able to enhance the performance of your GR Yaris with our bespoke, custom remap.

Our custom tune takes the GR Yaris from 257 BHP to 310 BHP! Yes… 310 BHP from a car that weighs 1,280 kg.


Stage 1 310bhp – 420nm 

Stage 2 320-330bhp -430nm