replacing cat
Thread Starter
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Elder User
Joined: May 2007
Posts: 943
Likes: 0
From: North East, MD
replacing cat
I thought i read a while back that if your emission control system failed you could replace it with something other than what was there before. The reason I ask is I want to do a cat delete and this is the case I can just say my cat rusted out or something
Thread Starter
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Elder User
Joined: May 2007
Posts: 943
Likes: 0
From: North East, MD
thats what i planed but i pull a trailer a lot and have to go over scales severale times a year and want to know if my excuse will work. I know i can weld a pipe through the cat but ide rather not in case they decide to start doing emissions on diesels
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
Your excuse won't work if they really push it. If they came from the factory with a cat federal law says they need to have a cat. but chances of the DOT pushing for a cat are slim to none. They want to make sure your not over weight and your rig is safe they could really care less about emissions stuff.
Playing in the Dirt
Joined: Oct 2005
Posts: 2,302
Likes: 1
From: Southwest Georgia
I have never been checked for a CAT at the scales. They have never checked for any emissions equipment. Remember that they deal mostly with big rigs and they don't run CAT's. Delete it and drive. If you want a factory look for the delete try here: http://www.dieselperformanceparts.com/products.cfm they are a site sponsor and have the delete/test pipe that is a direct replacement for the CAT. It looks nice installed.
