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Old 03-17-2013, 04:58 PM   #4
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Member#: 313311
Join Date: Mar 2012
Chapter/Region: MWSOC
Location: Twin Cities, MN

Originally Posted by maizer89 View Post
I had a open source pro-dyno tune with the cobb catted dp and the stock exhaust, so with adding the q300 exhaust and switching out to a 3in invidia catted downpipe I probably shouldn't worry about a tune right?
Well, the downpipes are different other than the taper. Cobb uses a belmouth design and Invidia uses divorced. How this will effect youe tune, I don't know ... Never tried it myself.

My guess is that the tune will be off since the flow will be different, but you won't know till you log it.
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