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      01-16-2012, 08:39 AM   #18
Lieutenant Colonel

Drives: 08 E90 M3, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: Concord, NH

Posts: 1,716
iTrader: (3)

Dinan and Borla are both conservative. Both used four resonators, two before the x and two after the x. I have never read complaints about either system, but regularly read complaints about some of the others.