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      12-10-2012, 10:04 AM   #6
GTM_Challenge
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Drives: E46 M3, E90 M3
Join Date: Jan 2010
Location: Nashville

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Quote:
Originally Posted by X RaTeD M View Post
What size is the main piping? It looks to be 3 inch.....
That is correct, it is 3" pipe
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