whats the difference between these?
07-04-2006 | 09:50 AM
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From: Caldwell,ID
Car: 2005 BMW 545i
Engine: 4.4L N62B44
Transmission: 6spd auto
Axle/Gears: Rotating
whats the difference between these?
the borla XS muffler and the borla XR-1?
trying to figure out a muffler. just want to make sure it is straight through and fairly quiet
trying to figure out a muffler. just want to make sure it is straight through and fairly quiet
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