When ive emailed him before it was a little slow but hes probably always real busy. Also uprev is deffinatly woth every penny of it. Like titan4mde said. There is alotttttttt of things you can do with it. ALso if your chk engine light comes on itll tell you whats wrong. Its amazing what you can do with uprev and also when you get it, and reflash your ecu it should already have the 2* advance done for you.:gunz: