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#228: 10-29-2013, 03:30 PM
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Title: Think. Feel. Drive.
Location: Richmond, BC
Car: 2007 Legacy 2.5i / 2014 FR-S
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Originally Posted by GEE-OTTO View Post
Youve got the 4" muffler deletes? So the longer ones are more quiet?

Got a clip ?
The measurement refers to the diamater of the muffler; larger muffler, quieter exhaust. So he's got the axle-back rather than the muffler delete.
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