hi guys any one running 350bhp plus with just 2.5"exhaust full decat on there sti if so when will this size max out some people saying 350 others saying higher .
cheers
bonzee

 

hi mate im running just under 360 on my bugeye sti and its a 2.5 system the janspeed scoobysport system,only difference is a 3"down pipe,and i had a full nur spec before this,but it was too loud,it was andy f who recomended the system i have, as he has it on his sti,and i think his runs over 400,cheers

 

any advances on 360 guys or is this the limit