They flashed my ECU and mailed it back to me the same day they received it. Installed the cam and ECU on my monkey. I had previously installed a Chimera intake, full Yoshimura exhaust, and one tooth smaller front sprocket. The improvement in power was AMAZING. I expected a high rpm boost but was pleasantly surprised that it had a very noticeable power increase from the bottom and all the way to the top of the rec range. Easy modifications that made a big improvement. Very pleased with the results.