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      02-18-2013, 09:39 PM   #2
Asbjorn
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Drives: Z4 N54 DCT (VTT GC lites)
Join Date: Mar 2012
Location: European in China

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Hi NKC

What was the conclusion here?
I feel my car is quieter with stg 2 over OEM and stg 1, so I am considering modding my exhaust.
Appreciate 0