i have just done the small airbox mod.And i am hearing some people say u have to change the tps..please explain to me what it is and if i need to do it.i am running a k&n filter right now and venom racing slip ons please let me know what the best set up is.And if someone knows were i can get a good map.I can tell i'v loset some bottom end and there is a smuble around 3000-4000.but the top is very strong!thank u guys rock