Hi scottharvey socks ran the following on a similar turbo. Forged 4E-FTE 431bhp - 441.1nm torque - GTX2836R at 32psi it all comes down to managment and supporting mods as to what power your likely to see out of your turbo. figures taken from the leader board http://www.s314kba.co.uk/leaderboard/ take a look lots of figures on there. cheers nick.