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      01-04-2013, 10:24 PM   #4
awawrz
Enlisted Member
 
Drives: 2012 135i M Sport
Join Date: Oct 2011
Location: Scottsdale, AZ

Posts: 41
iTrader: (0)

Like them a lot. Changed the tone of the exhaust more than anything. With no secondary cats on the n55 I didnt feel a big increase. A little better on the low end.
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