CAT Delete - Ford Powerstroke Diesel Forum

 
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post #1 of 7 Old 10-29-2012, 02:26 PM Thread Starter
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CAT Delete

Just out of curiosity....does a CAT delete really make that big a difference in MPG on these 6.0 rigs? I don't want to remove the muffler or replace the existing pipes.....but wondering if the cat test pipes help or not from an MPG perspective. My exhaust (2004) is all stock and I don't want it louder....just want more MPG and/or possibly more power.

And got me to thinking....sure would be smart of some entrepreneur to create a "test" pipe that has a cat look to it but really is a straight pipe inside. Would pass the visual inspection at least.

2004 F350 Crew Cab, DRW, Long Bed, 4x4
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post #2 of 7 Old 10-29-2012, 02:44 PM
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I didn't improve my mpg with out the CAT. Might have lowered EGTs some, better flow. Still have my muffler.

CAT sleeps in the garage and wakes up every couple years to go to the Vet. (State Inspection)

Some have just taken a rod and gutted the CAT.

After all, there is more than one way to "skin" a CAT. lol
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post #3 of 7 Old 10-29-2012, 09:19 PM
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Quote:
Originally Posted by amdriven2liv View Post
I didn't improve my mpg with out the CAT. Might have lowered EGTs some, better flow. Still have my muffler.

CAT sleeps in the garage and wakes up every couple years to go to the Vet. (State Inspection)

Some have just taken a rod and gutted the CAT.

After all, there is more than one way to "skin" a CAT. lol
Same no power or mpg improement.

Randy
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post #4 of 7 Old 10-29-2012, 09:45 PM
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You won't see any mpg or power gains until you get a full 4" turbo back system. Then it will be time for some custom tunes


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post #5 of 7 Old 10-29-2012, 09:49 PM
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Cat delete pipe will be for EGT's and sound.
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post #6 of 7 Old 10-30-2012, 10:20 AM
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I did have just a cat delete for a while and didn't have any noticeable mpg gains. They may be there but minimally. The exhaust is only slightly louder and for the price of the delete pipe, why not? It can't hurt, just a little better exhaust flow.
03-07+ Ford 6.0L Powerstroke Diesel Cat Delete Pipe this is what I bought and was the only one I found that would fit on a stock sized exhaust.

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post #7 of 7 Old 10-30-2012, 11:45 AM
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Yup, people said it. Sound and EGTs.

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