Why Choose Kernowsport for ECU Remapping in Cornwall? As a Viezu Approved Delaer, we’ve built a strong reputation for delivering safe, reliable, and fully customised ECU remaps using the latest engine tuning technology. Every remap is tailored to your specific needs — whether you’re aiming for: Increased power and torque for towing Improved fuel efficiency (MPG) Enhanced throttle response and drivability Maximum acceleration and speed With a properly tuned ECU, you’ll notice smoother performance, better gear use, and reduced strain on your engine — helping you save money on fuel and maintenance in the long term.