Quote:
Originally Posted by deceptiv.M3
Maybe the AA equal length if I don't need to cut anything on the stock system.
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The factory catback on the M2 C is all one piece and I suspect the catback on the M2 CS is as well (although I'm not 100% sure on this)
If you're planning on replacing only part of the catback (such as the midpipe or rear section) the stock system will probably need to be cut