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Old 04-21-2008, 07:34 PM   #4
DiscoGsus
Scooby Specialist
Member Sales Rating: (21)
 
Member#: 47646
Join Date: Nov 2003
Chapter/Region: RMIC
Location: CO
Vehicle:
0511 RallyBaja
DGM Sedan

Default

The muffler doesn't affect anything except the noise.

A protune adds little to the package for other people.
The intake, DP, and FMIC greatly affected the tune you received, so only a 2006 STi with the EXACT same mods gain something from having that map.
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