JatoWeazel, I read that the tm has more torque than the other os .18's. The stock 2.5r already has a decent amount of torque so the os .18tm should be insane. So all I have to do is shave the stock header down a bit? Do you think that they will make an aftermarket direct bolt on header and pipe or shaving it down makes no difference? Also, I was just wondering when you set up the two speed did you set it up to shift early or late in order to get the most out of the engine?