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      04-19-2009, 07:12 AM   #26
Nucking Futs!
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Drives: E70 X5 M
Join Date: Feb 2008
Location: Dallas, TX area

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2013 BMW X5 M  [0.00]
Originally Posted by askiles View Post
They ended up just doing a rear section for now. In the future, they might do an x-pipe with certain cat/resonator arrangements.

I have not heard any other exhaust in person, so I don't know how it compares. It is definitely not a high pitched exhaust at all. It is amazingly low toned, and pretty smooth. There is no burble to it, I would call it refined I guess. It is even very smooth and low at high revs.

They did dyno it, and I am supposed to get the graphs on Monday or Tuesday from them. They said it picked up HP over all, and that is all I know. One definite benefit was that it weighed a ton less.

Thx for all the info!
'13 E70 S63B44A

'17 95B GTS