IF you want to up the HP you will need to piss off the standard cooler. We have a heap of site sponsors here have a look as some of their products and that should point you in the right direction. It doesnt take much work to get over the 300RWK mark in these things. you would need. A cooler, exhaust, valve springs (for BA models) , injectors and of course a flash tuner/edit/capa box