Thread: Mods for N55
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      08-23-2010, 08:18 PM   #75

Drives: 03 Turbo Cobra, 2011 335xi
Join Date: Jun 2010
Location: Wallingford CT

Posts: 1,032
iTrader: (3)

Originally Posted by Army335xi View Post
Dual Cat in 1 Canister? So if a Catless DP is made, you truly are Cat-less...

I was able to access my N55 manual online. Here is a pic right out of the manual to get a better idea. Also I attached pics of my stock exhaust, you can see the 2 resonators as well.

This is what I mean about the 2 cats in 1 canister. Ceramic structure 1 has 600 cells and Ceramic structure 2 has 400 cells

Here is my stock stuff after the downpipe.