Gutting The Cat - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 02-11-2008, 02:18 PM Thread Starter
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Gutting The Cat

I`m planning on gutting my cat tomorrow. Does anyone have a suggestion about the easiest way to remove the cat. Do I have to start at the back and work my way to it? Start at the front? Or maybe just loosen everything up to get some room to remove? Thanks

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #2 of 16 Old 02-11-2008, 02:25 PM
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I want to do the same thing,I took the muffler off,but still not loud enough.I was thinking about cutting the cat out and replacing it with straight pipe using band style clamps,so I can replace it if I need to.Has anyone used these clamps before?
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post #3 of 16 Old 02-11-2008, 02:29 PM Thread Starter
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I haven`t used them either but it is my belief they will work ok.

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #4 of 16 Old 02-11-2008, 02:32 PM
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you would all be smart to just get a delete pipe, or have one made so youcan reinstall the cat if need be for emissions purposes. JMO.

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post #5 of 16 Old 02-11-2008, 02:37 PM Thread Starter
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Man, REDNECK COUNTRY ain`t got no dern submission test or what ever that wuz.

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #6 of 16 Old 02-11-2008, 06:07 PM
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you lose no sound or whistle between downpipe and cat its all in the muffler
take the lug breaker bar under the hood with the jack take the cat apart from the rest of the exhaust set it on the downpipe side on the ground and take a mini-sledge and drive it throught there shake it real good drive it through some more until you can see through it getting it disconnected is the hard part it take s like 15 mins once its off put it back on sounds good

parting out 97 F-250...http://www.powerstroke.org/forum/tru...ale-parts.html....
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post #7 of 16 Old 02-11-2008, 06:14 PM Thread Starter
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Will do, thanks.I`m not looking for a lot of sound. Just whistle.

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #8 of 16 Old 02-11-2008, 06:24 PM
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yep turbo screams until the muffler sticks its ugly a$$ in the way

parting out 97 F-250...http://www.powerstroke.org/forum/tru...ale-parts.html....
selling 97 dodge cummins 12v with a vgt...
LOOKIN FOR A 97 CC.SB. POWERSTROKE!!!
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post #9 of 16 Old 02-11-2008, 06:38 PM Thread Starter
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So that means I should get the muff off as well or I`m not going to get the whistle I`m looking for? Do you know what results I would get by going 3" from the turbo back with a cat and muff delete?. Most exaust systems for my 97 comes/w 3" DP and 4" from DP back and a 5" tip. Since I can only get a 3" DP what difference can it make if I go with 3" all the way turbo back? I can`t see a diff if it is 3" back or 4" back from the DP? Thanks guys

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #10 of 16 Old 02-11-2008, 06:49 PM
duct tape & zip ties

 
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Do not gut the cat. They cost to much to replace. If for some reason you need to reinstall the cat you will have it. Just buy the delete pipe trust me on this one.


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