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Old 03-04-2008, 07:25 PM   #15
Scooby Specialist
Member#: 137243
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: Illinois
2004 2.5L WRX JPB
1999 Civic EX White


Originally Posted by Wrinkleboi View Post
the header faq linked above is all you should need to know.

to correct the statement above... equal length headers generally outperform unequal length headers everywhere... they spool earlier and make as much or more power up top as well. its a more efficient design, but it does lose the boxer rumble.

what do you mean by losing the boxer rumble with equal length? I used to have headers + up pipe combo (not sure what brand) and they made the car sound way louder.. is that what they're talking about? Sry, Newbie here.
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