Thread: Dc Sports 4-2-1 Headers
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Old Apr 17, 2006 | 09:02 PM
  #7  
Civic2Scooby's Avatar
Civic2Scooby
 
Joined: Jul 2003
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From: michigan
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4-1 is for upper RPM range...4-2-1 helps with mid-range.

if you are lookin for a kick ass deal on a very nice 4-1 shoot me a PM

I have a 98 JDM type R 4-1 with 2.5in collector for sale....
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