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      08-13-2012, 01:05 PM   #16
Johnny D
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Drives: 2006 BMW 325i
Join Date: Apr 2011
Location: Hot Springs, AR

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2006 BMW 325i  [4.58]
Originally Posted by benzo23 View Post
I noticed in the picture yours doesn't have the fake carbon fiber weave pattern on the top of the box like the rest of them, also could some of this sound be due to the fact that you have the 3 stange manifold and a tune on there?
You're correct. No fake carbon fiber.

I doubt the tune did anything to the sound. The manifold may play a VERY small roll, but the sound will still be there on the stock single stage manifold.