Whats the best way to gut the cat?

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May 16, 2009 | 05:29 PM

Dmax Rod

Thread Starter

Diesel Fan

Joined: May 2009

Posts: 16

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From: Turlock California

Whats the best way to gut the cat?

How do I prepare the cat to install 3 1/2 pipe through it?

May 16, 2009 | 10:44 PM

dozerboy

Diesel Wrench

Joined: Apr 2007

Posts: 988

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From: TX

Don't just cut it off or if you must. Cut it at the welds, gut it, enlarge the holes so you can slide and 3.5" or go up to 4" through it.

Jun 15, 2009 | 08:08 PM

Snowman

MR.3K

Joined: Jan 2008

Posts: 97

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From: Grunthal Manitoba

will it hurt the truck if i cut out the cat??

Jun 16, 2009 | 10:07 AM

Oilfield_Mafia

Diesel Bomber

Joined: May 2008

Posts: 2,850

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From: Worlds Highest Hill

Quote:

Originally Posted by Snowman

will it hurt the truck if i cut out the cat??

Nope.. Just check your local emissions laws and vehicel inspection stations.. if you are required to run a cat in your area, then just gut it.. If not, then its fine to replace it with straight pipe.

Jun 19, 2009 | 12:39 PM

Snowman

MR.3K

Joined: Jan 2008

Posts: 97

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From: Grunthal Manitoba

Sweet

There is no emissions up here. LOL i just dont tell and they dont ask!!

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