FS: Agency Power Valve Controlled Exhaust System C63
Im sure most of you are familiar but this is it....
http://www.youtube.com/watch?v=eU4jg...layer_embedded
Make me an offer, I will consider them all compared to how much I care what my wife thinks.
Last edited by NC_Ferrari; Feb 3, 2012 at 07:48 PM.
lol I don't know how some of you deal with that non-sense.
Anyways, is it the full exhaust system (headers to muffler)?
Idea on what you paid, before you get some ridiculous offers would help
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Im speaking under load full throttle...not idle.







