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Old 11-16-2012, 03:07 PM   #2
Scooby Specialist
Member#: 57287
Join Date: Mar 2004
Chapter/Region: MWSOC
Location: Kalamazoo, MI
2002 Bugeye STi
MY03 Fozzy XS


You can't really go beyond Stage 1 with a Stock Exhaust Setup. Stock Downpipes with the Catalyst are very restrictive. If you ever want to free up some power you need to get an Aftermarket Downpipe with a Hi-Flow Catalyst and if you want to keep the noise down you can run a stock Cat-Back system, but will lose some potential HP.
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kayen is offline   Reply With Quote