Ad4m RST
You can get 250bhp ish out of them without the need for a turbo but its expensive, turboing them is the best way and people have seen 500bhp in the states, i even once saw a dragster running a itr motor with about 900bhp lol, the bloke did it to prove that not all dragsters have to be v8's lol
tregmatt
Ye the bike aint bad not the quickest bike on the planet but it does me for me first bike