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Old 11-16-2012, 04:59 PM   #4
lukeskywrx
Scooby Specialist
 
Member#: 59837
Join Date: Apr 2004
Chapter/Region: SWIC
Location: Nor Cal
Vehicle:
2004 Spec-C Type RA
What MAF? -Speed Density!

Default

A V7 downpipe is going to be similar to a US WRX or STI factory downpipe, and they are all very restrictive.

An aftermarket catted downpipe is going to flow way more than a factory downpipe.
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