Yeah, check Dinan. From what I heard though there is not a whole lot more power to be had, but you can change the tone.
Originally Posted by UncleJ
Ndi, I am pretty sure Dinan has an X3 aftermarket exhaust (cat back) and Borla might also. I don't know of anyone that offers the full monte from headers to chrome tip though.
My garage: 2007 BMW Z4 3.0si Manual, 2007 BMW X3, 2006 BMW 530xi
Retired: 1998 BMW Z3
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