Thread: F/S OEM gutted downpipes
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      03-19-2015, 06:11 PM   #4
gixxerboy63
Tanzanite Blue II X5M Pilot
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Drives: M3, M4, X3 M40i, X5M
Join Date: Nov 2011
Location: WS, GSO High Point, NC

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2010 BMW X5M  [10.00]
Increased performance?
Better sound?
Did you run tuning software?
Work as well as aftermarket?

Thanks!

Gixxer - also worried about gaseous odor when running cattless
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