Cat delete question - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 07-15-2009, 09:34 PM Thread Starter
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Cat delete question

I already have a 3" down pipe and a 4" cat back exhaust. Now I want to get rid of the cat. My first problem is I can'tfind a shop to do it because they say it is illegal. My second problem is that I do not know how to weld and do not have access to someone that does.

So my question is could I use exhaust straps or clamps to attach the 3" to 4" adapter and 4" pipe to what is already installed. Thanks for any help. I am new at this.

97 F350 CCLB. DIY Intake, FPR shim, 3" down pipe, 4" cat back exhaust
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post #2 of 11 Old 07-15-2009, 09:52 PM
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you can have a shop make a pipe for you, without the truck there, and have them bell and slot the ends, and pick up some clamps at your local parts depot, cut out your cat, viola! cat delete.

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post #3 of 11 Old 07-15-2009, 10:09 PM Thread Starter
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Thanks ianstew. Thats what I needed to know. And i like your avatar!

97 F350 CCLB. DIY Intake, FPR shim, 3" down pipe, 4" cat back exhaust
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post #4 of 11 Old 07-15-2009, 10:27 PM
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Originally Posted by mccloud911 View Post
And i like your avatar!
It speaks the truth!

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Originally Posted by Ianstew
There is a difference in a government acting responsibly within their powers, and a government that just decides what their powers are and what responsibility means based on political whimsy.
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post #5 of 11 Old 07-16-2009, 09:24 AM
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Just beat the crap out of the insides of the cat..costs nothing.
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post #6 of 11 Old 07-16-2009, 09:35 AM
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ITP also sells cat delete pipes. I have one on my truck with my open exhaust.
94-97 Aluminized Cat Delete Pipe

They also have stainless versions.

Dave D

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Last edited by ghostang93; 07-16-2009 at 09:37 AM. Reason: added link
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post #7 of 11 Old 07-16-2009, 10:10 AM
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Originally Posted by ghostang93 View Post
ITP also sells cat delete pipes. I have one on my truck with my open exhaust.
94-97 Aluminized Cat Delete Pipe

They also have stainless versions.

Dave D
megga ditto. i bought mine there last month and its been great. got pics if ya want. the only issue i had was getting the pipe off the other end of the cat.

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post #8 of 11 Old 07-16-2009, 12:16 PM
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I got one that cost 55 and was stainless steel. But the sticker of drive belts in the engine compartment tells you if its a catalyst or not wich means catltic converter. (spelling) When i went for emmisons it asks and they put n/a

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post #9 of 11 Old 07-16-2009, 12:30 PM
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mines 3" down then 4" all the way to the back no muffler etc ... whistles so sweet.

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Being Vague is almost as fun as this other thing
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post #10 of 11 Old 07-16-2009, 12:42 PM
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Quote:
Originally Posted by caryt View Post
Just beat the crap out of the insides of the cat..costs nothing.
I agree. Take the cat off, ram a pipe through it, empty. Did it on an old 4.0 Explorer. Cali was at a point where all Cat maintenance at any shop was illegal(until they fixed the new law or some crap). I handled it. Passed smog too!

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