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      10-04-2012, 08:33 PM   #12
AWe92M3
Private First Class
 
Drives: E92 M3
Join Date: Sep 2010
Location: NYC

Posts: 145
iTrader: (3)

can someone explain to me what the purpose of the DP's are and if i havent done any engine mods yet other than removed the secondary cats will i be able to install these?
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