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Old 02-23-2008, 11:31 PM   #5
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Join Date: Aug 2002
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Location: de_dust and Orgrimar


Originally Posted by novacivic View Post
equal length= a little more low end plus boxer rumbel

unequal length= more power overall but no boxer rumble will sound more like every other 4 cyl minus the raspyness

Thats backwards.

Originally Posted by Wrinkleboi View Post
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.

I have yet to see equals that spool as fast as unequals. They do make more power in the upper mid and top end, but I have yet to see one make the low end that an unequal does.
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