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      05-31-2017, 12:15 AM   #13
Simonnn
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Drives: 135i
Join Date: Nov 2012
Location: Melbourne

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Quote:
Originally Posted by OzJustin View Post
Take a look at my build thread to see another quad setup option. I originally had a Berk Street Series axle back that was converted to quad with some custom piping.

I disagree re there being no point doing this mod. My car sounds fantastic (even on the driver's side) when going through tunnels now. It is a far more balanced sound than the factory left exit only.
Interesting! Did the exhaust note change at all after converting it to a quad setup with the extra piping?
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