Cat delete for 7.3? ? ? ? - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 10-03-2009, 11:18 AM Thread Starter
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Cat delete for 7.3? ? ? ?

Where can a guy get a stock size cat delete pipe? I have been looking everywhere. WTH. I guess they want to sell you the whole set up. I was just going to put a walker BTM and cat-delete and call it good. I can't find the cat-delete anywhere. Does anyone know the part number for the ford stock pipe that goes where my cat is? I know most 7.3s didn't have cats, and they aren't required for emissions in Utah - at least on the old 7.3s like I have. Any one know?
Thanks.

1999 F350 Crew LB 7.3 Auto SRW build date: 11/98[/B] - 190,000 miles
(FTVB) - When bought in 2006.
The rest - after started running crappy in Feb '09.
DIY injector rebuild, ITP hutch mod with harpoon (and filter/water separator on frame rail)
Cleaned EBP sensor - and new tube.
PMT2 PCM, IDM 140v mod, Rebuild IPR, New ICP
New gray CAM sensor, DIY intake, Walbro GSL 392 Fuel Pump
Walker 21470 "BTM" Muffler & Cat delete
PHP Hydra chip.
POR 15 on oil pan.
Maybe check HPOP next
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post #2 of 18 Old 10-03-2009, 01:52 PM
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Where you at in Utah? I had a muffler shop in Ogden that could bend 3.5" do my muffler delete pipe. Only place I could find that did the right size.

2008 Job3 F-350 4x4 CCLB 6.4L Harley Davidson Edition
1995 F-350 4x4 CCLB 7.3L Project Truck

SOLD!
2001 F-350 4x4 Lariat CCSB 7.3L
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post #3 of 18 Old 10-03-2009, 05:53 PM Thread Starter
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Down here in Utah county. I was just talking to a guy today who knows someone that he says will do it cheap. One muffler shop I talked to said they can't cut a cat out, no matter what vehicle it is on. They don't even emission diesels of this year (99) down here. My inspection guy said there is no use for it. I just want it out, with a straight through muffler, I think the cat is getting plugged (180,000 miles). I just thought since they made tons of these without cats, you should be able to buy a bolt in pipe from ford, I just don't have a part number - and everyone else wants you to buy a $350-$650 exhaust system.
No money for that with all the other junk I have been doing to the truck to get it running like it did last year. Its running better, but I still haven't figured it out.

1999 F350 Crew LB 7.3 Auto SRW build date: 11/98[/B] - 190,000 miles
(FTVB) - When bought in 2006.
The rest - after started running crappy in Feb '09.
DIY injector rebuild, ITP hutch mod with harpoon (and filter/water separator on frame rail)
Cleaned EBP sensor - and new tube.
PMT2 PCM, IDM 140v mod, Rebuild IPR, New ICP
New gray CAM sensor, DIY intake, Walbro GSL 392 Fuel Pump
Walker 21470 "BTM" Muffler & Cat delete
PHP Hydra chip.
POR 15 on oil pan.
Maybe check HPOP next
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post #4 of 18 Old 10-03-2009, 09:38 PM
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Ya I ran into that same problem with my muffler. Shops playing by the rules. I run a straight pipe now and I'm going through Salt Lake City all the time. I get pulled over for no mud flaps is all so I don't understand why some shops do that.

You can get a full exhaust system from farmboysdiesel.com. Their 4" system is super cheap, right around $300 is all. I am waiting on my AFE intake and 5" straight pipe system from them, should be here Tuesday.

If you come up to the Weber/Davis county area there are two really awesome diesel shops that I know will cut out your cat and put in a correct diameter pipe. Wild Diesel in Ogden and Bakers Diesel in West Haven.

Hope I helped, too many Cummins in Utah. We need more Powerstrokes!

2008 Job3 F-350 4x4 CCLB 6.4L Harley Davidson Edition
1995 F-350 4x4 CCLB 7.3L Project Truck

SOLD!
2001 F-350 4x4 Lariat CCSB 7.3L
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post #5 of 18 Old 10-04-2009, 10:23 AM
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just order one for a 2001 they didn't come with a CAT

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post #6 of 18 Old 10-04-2009, 07:06 PM Thread Starter
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Yeah, I have to get rid of it somehow.
Thanks for the info.

1999 F350 Crew LB 7.3 Auto SRW build date: 11/98[/B] - 190,000 miles
(FTVB) - When bought in 2006.
The rest - after started running crappy in Feb '09.
DIY injector rebuild, ITP hutch mod with harpoon (and filter/water separator on frame rail)
Cleaned EBP sensor - and new tube.
PMT2 PCM, IDM 140v mod, Rebuild IPR, New ICP
New gray CAM sensor, DIY intake, Walbro GSL 392 Fuel Pump
Walker 21470 "BTM" Muffler & Cat delete
PHP Hydra chip.
POR 15 on oil pan.
Maybe check HPOP next
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post #7 of 18 Old 10-27-2009, 12:16 AM Thread Starter
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I just had a pipe welded there, and the walker muffler in place of the old one. Worked great!

1999 F350 Crew LB 7.3 Auto SRW build date: 11/98[/B] - 190,000 miles
(FTVB) - When bought in 2006.
The rest - after started running crappy in Feb '09.
DIY injector rebuild, ITP hutch mod with harpoon (and filter/water separator on frame rail)
Cleaned EBP sensor - and new tube.
PMT2 PCM, IDM 140v mod, Rebuild IPR, New ICP
New gray CAM sensor, DIY intake, Walbro GSL 392 Fuel Pump
Walker 21470 "BTM" Muffler & Cat delete
PHP Hydra chip.
POR 15 on oil pan.
Maybe check HPOP next
dnaugtbass is offline  
post #8 of 18 Old 10-27-2009, 08:30 AM
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Quote:
Originally Posted by InExactAxis View Post
Ya I ran into that same problem with my muffler. Shops playing by the rules. I run a straight pipe now and I'm going through Salt Lake City all the time. I get pulled over for no mud flaps is all so I don't understand why some shops do that.

You can get a full exhaust system from farmboysdiesel.com. Their 4" system is super cheap, right around $300 is all. I am waiting on my AFE intake and 5" straight pipe system from them, should be here Tuesday.

If you come up to the Weber/Davis county area there are two really awesome diesel shops that I know will cut out your cat and put in a correct diameter pipe. Wild Diesel in Ogden and Bakers Diesel in West Haven.

Hope I helped, too many Cummins in Utah. We need more Powerstrokes!

With the current administration, diesels will be under far more scrutiny than before. If your truck is suppose to have a cat I would not remove it. It won't be long before the government cracks down on cat deletes. One must remember, the removal of a cat from a vehicle is a crime. With this said, I have seen folks remove the cat, hollow it out and weld a pipe through it. For all visual purposes, you still have a cat it is just a spayed kitty. It works great...I have heard. It is still a crime to modify a cat but it is much harder to figure out if the cat is modified than not present. Here in Colorado, we have diesel inspections and there is no way to tell if you cat has been spayed. I have a 99 that the cat was removed and I was required to put the cat back on before I could register the truck. It was a major PITA!!

Remember, spay your kitties to help overpopulation
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post #9 of 18 Old 10-27-2009, 08:42 AM
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Yea it just varies by state. I bet it was a Cali truck. But I say if the state it's registered in doesn't require one, take it off.



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post #10 of 18 Old 10-27-2009, 09:53 AM
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Quote:
Originally Posted by macoubrie View Post
With the current administration, diesels will be under far more scrutiny than before. If your truck is suppose to have a cat I would not remove it. It won't be long before the government cracks down on cat deletes. One must remember, the removal of a cat from a vehicle is a crime. With this said, I have seen folks remove the cat, hollow it out and weld a pipe through it. For all visual purposes, you still have a cat it is just a spayed kitty. It works great...I have heard. It is still a crime to modify a cat but it is much harder to figure out if the cat is modified than not present. Here in Colorado, we have diesel inspections and there is no way to tell if you cat has been spayed. I have a 99 that the cat was removed and I was required to put the cat back on before I could register the truck. It was a major PITA!!

Remember, spay your kitties to help overpopulation
My 01 has never had a cat, so running straight pipe on my truck is only without a muffler.

2008 Job3 F-350 4x4 CCLB 6.4L Harley Davidson Edition
1995 F-350 4x4 CCLB 7.3L Project Truck

SOLD!
2001 F-350 4x4 Lariat CCSB 7.3L
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