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      06-12-2012, 02:53 PM   #22
Nate@IND
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Drives: BMW
Join Date: Oct 2006
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Quote:
Originally Posted by Patsc23 View Post
Definitely not oval - most likely 4x102mm (what is stock?)

1 more question - what type of change in sound are we looking at if we only change out the rear mufflers, and not center pipes? Do you guys have vids of just that?
The 4x90mm Round tips are closer to stock. Once the M5 hits the US I will have a ton of videos.

Sport rear mufflers only
Sport full system
Sport with full system + downpipes
Race rear only
Race full system
Race with full system + downpipes
In cabin all options
etc..
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