Hi sorry for jumoing in i have a evo 4 with a evo 8 engine just recently bought it i was told it had 380 bhp but a dont belive it to b honest what can i do to get more power with out breaking the bank will a evo 9 turbo help it already has a walbro fuel pump

 

9 turbo 80 series, 3 inch turbo back decatted exhaust, 3port boost solenoid should easy see you 400-400