Derry ECU Remapping Experts

d then fine tuned with data gathered from historic rolling testing. Flat spots are smoothed out before your choice of remap performance is applied. This tuned file is emailed back to the remap technician and installed on to the ECU. The whole process usually takes less than 60 minutes. You are then able to test drive the vehicle on the roads you are familiar with, allowing you to appreciate the improvement on your own turf. With fuel prices as high as they are nowadays, our most common tuning package is the Economy Map, followed by our Balanced 'Economy & Performance' Map. All Derry ECU Remap & Engine Tuning products will help your vehicle with smoother power delivery and increased fuel economy and fuel efficiency.