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Old 05-29-2005, 02:58 PM   #2
Scooby Newbie
Member#: 58908
Join Date: Apr 2004
Location: San Jose, CA
'07 STI


from what i have heard the stock sohc heads flow well to begin with, and as it is, the power from the 2.5 na is dissapearing by the time you hit 6000rpm anyway. im not really sure upping the redline would make much difference. i would venture a guess that its not going to be worth it for the money you will spend to do it. thats just my opinion though.
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MeshmeZ is offline   Reply With Quote