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      11-30-2012, 12:03 AM   #48
Dave07997S
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Drives: 2013 BMW M3 ZCP Coupe
Join Date: May 2009
Location: Playa del Rey, CA

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Quote:
Originally Posted by m3an View Post
^^ possibly, but it's best to always start at the rear anyways; upgrade muffler than work your way up . Theres not point in blowing through a straw that still necks down at the end ya know?
There really is no restriction with the OEM muffler..you are lucky to see 2-3rwhp difference..in fact Akrapovic only claims 2-3rwhp for just the rear section, and that can be statistical noise from the dyno.

Dave
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2013 M3 Coupe-MR/BLK ZCP, ACM test pipes, BPM Stg2 dev. tune and Megan catback, AFE Stg2. with C/F elbow
Previous rides: 2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk