Western performance is lacated at Unit 10 Drayton Rd, Solihull, West Midlands, B90 4NG. So not far from wigan really. Their staff is made up of motorsport engineers that enjoy a very high reputation. The rolling road of ther choice is 4 wheel Dyno Dynamics. Western performance does a lot of development work as well as mapping on a variety of OE ECUs and do rolling road days.