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-   -   headers hou much gain? (https://www.scoobynet.com/general-technical-10/734258-headers-hou-much-gain.html)

hybrid12 27 December 2008 09:27 PM

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?

hybrid12 28 December 2008 06:29 PM

anyone?

Mus 28 December 2008 06:47 PM

your best bet is to speak to harvey as he knows everything about them

trevsjwood 28 December 2008 09:41 PM


Originally Posted by hybrid12 (Post 8376908)
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?

My set-up wasn't far away from urs when Zen fitted their headers.
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.

hybrid12 28 December 2008 10:48 PM

was it noticeable after doing? im surprised your cars injectors coped before upgrading them


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