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      12-09-2012, 12:02 PM   #6
SCHMOUPE
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Drives: 2007 Z4M Coupe
Join Date: Apr 2010
Location: NJ

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2007 Z4M Coupe  [0.00]
so with my car i sent from RE cans to RE cans and RE x pipe first and the added difference was a tiny bit of rasp when the car was cold. it probably added to the note of the car a bit also. Now with addition of Euro headers, the car has plenty of rasp. I also added a Grouppe intake after everything else and the car sounds completely different than when I had RE alone.

If I were in your shoes, I would either go with Grouppe alone or plus a tune and skip on any more exhaust changes
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The Raspinator

Gruppe M CAI / Euro Headers / Rogue Engineering X-pipe / RE Diablo Exhaust