I have a 2004 450r. It is currently getting an airbox eliminator kit, a sparks exhaust system, a hot cams stage 2 cam, ported and polished, and a 13:1 piston installed. [img]i/expressions/face-icon-small-smile.gif[/img] What kind of power output could I expect from these mods? Also what kind of fuel are you guys with 13:1 pistons running in your bikes.