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post #1 of 8 Old 09-28-2013, 09:05 PM Thread Starter
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Cat or no Cat

Hey guys. first time post. Lots of info on this site. Ive done a lot of research and cant find a answer to a few questions. It seems most DPF kits also delete the Catalytic converter. Is the Cat also a issues that needs to be deleted? Is the CAT required to be deleted with the DPF on a DPF delete tune? I know people have said to delete it. I was just wondering if it was a must. I don't race my 6.4 but want to do a DPF/EGR delete and a 200 to 300 HP tune from a Spartan. Mostly want more power for the street, tow and better mpg. Thanks for any help
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post #2 of 8 Old 09-28-2013, 09:38 PM
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It's a restriction and since your deleting the dpf anyway, it only makes sense to delete the cat as well.

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post #3 of 8 Old 09-29-2013, 05:31 AM
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I would just delete it also. Makes install easy when installing all new stuff and not trying to split the dpf. The cat doesn't do much anyways.

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post #4 of 8 Old 09-29-2013, 05:51 AM
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Dont you need the cat in area's that get DOT inspected?

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post #5 of 8 Old 09-29-2013, 06:40 AM
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you need the DPF also. Its a diesel and would need to meet EPA standards as well, correct?
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post #6 of 8 Old 09-30-2013, 11:25 AM
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Quote:
Originally Posted by kinnisoj View Post
Dont you need the cat in area's that get DOT inspected?
kinnisoj is right.

Step 1. Can I run my truck legally without it in your state.

Step 2. Save it, maybe not today but one day your state might require it. Never say never. Obama won the election twice.

Step 3. Does the smell from old diesel engines bother you or your family members? If so leave it on, if not take it out. In others smell besides performance seems the only other reason for this decision.

Step 4. It is a restriction (better flow lets her go), I'm going to leave my end but remove DPF.
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post #7 of 8 Old 09-30-2013, 12:49 PM Thread Starter
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Ok. So the cat is not required to be deleted with the dpf on a dpf delete tune. Thanks guys

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post #8 of 8 Old 09-30-2013, 01:53 PM
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If you plan on running high horsepower tunes you need to delete it and as well as get you an aftermarket downpipe

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