ECU Remapping & Performance Tuning

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Tuning and Remapping

At A.R. Autos we are able to offer ECU Remapping & Performance Tuning to vehicle ECU’s, when we remap a car we truly unleash the vehicle’s full potential, ensuring that your vehicle performs at levels you didn’t know it had.

We carry out this service across Southampton, Portsmouth, Winchester and West Sussex either fully mobile at your home/workplace or at our workshops in Bishops Waltham. The service we offer is tailored to each individual customer’s needs, ranging from pure performance to fuel economy savings.

The software we use is custom made for your vehicle by one of the UK’s leading automotive software developers in Celtic Tuning (, in doing this we can guarantee that you don’t just get a generic map but you get one specific for your own vehicle.

Celtic Tuning are specialists in the development of engine management software where they have spent many years testing the software on state of the art rolling roads to ensure its accuracy and reliability.

We pride ourselves on customer satisfaction and it is at the forefront of our operations. With reliability, drivability and satisfaction being our target we are sure you will be delighted with the service we offer. Hence we offer a 14 day money back guarantee!

We are also registered agent for Forge Motorsport and Powerflex Performance Bushes so we really do have you cover from all bases.

Feel free to get in touch and see what we can offer you and your vehicle.

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Celtic Tuning Dealer
FORGE dealer
Tuning and Remapping