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Old 12-30-2012, 07:00 PM   #12580
Scooby Specialist
Member#: 278439
Join Date: Mar 2011
Chapter/Region: MAIC
Location: Chester County PA, USA
2011 WRX 411HP/406TQ
1997 Legacy Outback EJ25


Originally Posted by _davin View Post
Does the uppipe/ewg do much with the stock turbo?
Depends on some factors based on what I read and talking to Cobb.

With a Catted Downpipe, it only helps to stabilize boost with minimal power gains.

With a Catless Downpipe, our model year has been known to have problems with boost creep that is very difficult to tune out electronically and most of the times an uppipe/ewg is the suggested mechanical solution.

Again I'm not an expert just what I have read/assimilated. I could be wrong.
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