Local independent that’s provides vehicle remapping and diagnostic and servicing with 15 years experience in the industry, Fully qualified staff for peace of mind. Hilltek Tuning proudly offers a mobile remapping service throughout South Wales, bringing professional ECU tuning directly to your doorstep. This service is ideal for busy customers who want expert results without the need to travel. Alternatively, clients can visit the Tredegar workshop by appointment for a more traditional, in-house tuning experience.