headers hou much gain?
27 December 2008, 09:27 PM
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headers how much gain?
i have a 2004 wrx with a vf34 sports cat down pipe and the rest decatted with a 3 inch bore exhaust, hks induction kit ,xs power top mount and im going to be fitting a roger clark motorsports headers heatwrapped along with heat wrapped scoobyclinic upipe and then a remap, im currently getting 340 bhp how much gain will i get from fitting these?
Last edited by hybrid12; 27 December 2008 at 09:43 PM.
28 December 2008, 09:41 PM
#4
i have a 2004 wrx with a vf34 sports cat down pipe and the rest decatted with a 3 inch bore exhaust, hks induction kit ,xs power top mount and im going to be fitting a roger clark motorsports headers heatwrapped along with heat wrapped scoobyclinic upipe and then a remap, im currently getting 340 bhp how much gain will i get from fitting these?
Main benefit was mid range torque + 23lbs/ft, Bhp +15. Spool-up was back a couple hundred rmp-hardly noticed. STI pinks were fitted at the same time cos the 380's were maxing badly.
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