repowering a smaller boat
 

i have a 226 baja sport without trim tabs,i want to put a 600hp in it with a bravo,anyone have any hints or stories about someyhing like this??also was wondering what to do about exhaust,it is thru hull but under water when not on plane?any input would be nice,around where i am from there are not to many fast boats,more nice familt boats,boat does 60mph all day now with a stock 454