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      03-01-2012, 07:05 PM   #38

Drives: 2011 AW 1M [Finally !]
Join Date: Jul 2011
Location: Virginia Beach Va. USA

iTrader: (0)

Originally Posted by NC View Post
From the RealOEM website, (, part number 18307599743 shows the secondary catalytic converters. RealOEM's diagram can be seen here.

The picture that Dackelone posted in this thread shows no secondary cats. Am I to assume that RealOEM's diagram is incorrect? I suppose I could order through my dealer and inspect upon arrival to verify.

One other question: with the elimination of the secondary cats are exhaust emissions affected? My home state here in the USA requires an annual safety and emissions inspection and I want to make sure nothing changes so the vehicle will no longer pass their testing.
I ordered my N55 midpipes from for about $333 plus shipping to Va. Their diagram also showed the cats in the pipes, but they said the diagram was wrong... and they were correct. It came without the cats [I think the price is the giveaway-- if it is in the $330-350 range, you got the correct one].