Red Map Remapping Rutherglen. Our Red Map remapping in Rutherglen is a full performance ECU remap calibrated to extract every safe horsepower and Newton metre your engine has to offer. The go-to Stage 1 remap for Rutherglen drivers who want sharper throttle response, harder acceleration and noticeably more power across the entire RPM range. Every file is custom-written to your vehicle and dyno-tested before it leaves us.