Engine Tuning Specialists, Over 250,000 cars tuned, Over 700 Trophies Won 2016 Ford Transit speed limiter removal 130 MPH Golf R came in for a Stage 2 remap having had a de-cat pipe fitted. 2003 Subaru Impreza WRX comes into Sanspeed for Stage 1 tuning with a rear silencer and panel filter. Using EcuTek software we can map an Impreza using a combination of dyno and on-road tuning for ?650. 991 GT3 RS.... Hardcore. We at SanSpeed Tuning always think that there are improvements to be made.