I just bought a xr 650 l I have changed the air filter removed the air box snorkel, removed aznd bloked off the smog,installrd a fmf Q2 silencer. cut holes i n the air box. And had it re jetted and dino tuned at 39 H.P.At sea level. I realy wish it was faster is something wronng Should it have more power with these mods. And i would like to know all the othermods I can do to the engine and what kind of H.P. I should be able to get from this bike.