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      01-14-2015, 06:02 PM   #115
66BM
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Drives: ML63 AMG, E92 M3, E60 M5
Join Date: Jan 2009
Location: Hell

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Quote:
Originally Posted by steven_s View Post
Just a question ; why 3in on the exhaust? From my understanding for our motor being all it is and keeping it NA 2.5 to 2.75 in is best suited.
Not sure I can answer. Race exhaust builder and engine management seemed to think it best. And 4 inch wouldn't fit. And with side exhaust coming exhaust becomes mute.
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