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Old 05-11-2009, 11:56 AM   #5
Scooby Specialist
Member#: 151079
Join Date: Jun 2007
Chapter/Region: MAIC
Location: College Park, MD
2005 2.5RS RBP
too many friction losses


Originally Posted by kero View Post
UEL's are direct bolt on for your 05 impreza, however, you won't get the max benefit of the UEL's, primarily the boxer rumble unless you have an aftermarket catback or CBE.
You can get away with just a muffler, too.
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chazly413 is offline   Reply With Quote