Straight pipe

8300johndeere · #1 (**permalink**) 01-19-2011, 01:49 PM

Now im not sure but do you have to buy a program to delete the software that protects the cat or muffler?

**pyro2nite** · #2 (**permalink**) 01-19-2011, 01:56 PM

You will need a tuner if you delete the DOC/DPF.

8300johndeere · #3 (**permalink**) 01-19-2011, 01:57 PM

What about a straight pipe from the cat back?

**dhanna6powerstroke** · #4 (**permalink**) 01-19-2011, 02:09 PM

Quote:

Originally Posted by 8300johndeere

What about a straight pipe from the cat back?

Still have to have it.

91Terminator · #5 (**permalink**) 01-19-2011, 03:21 PM

Quote:

Originally Posted by dhanna6powerstroke

Still have to have it.

Why do you need a tuner for a cat back system?

**Raul@Stealth Automotive** · #6 (**permalink**) 01-19-2011, 03:23 PM

you would have to go DPF back... not a cat back system...

**dhanna6powerstroke** · #7 (**permalink**) 01-19-2011, 03:25 PM

Quote:

Originally Posted by 91Terminator

Why do you need a tuner for a cat back system?

If you go with the proper DPF back system then you wouldn't but if you just put a straight pipe on with a normal tip then you have to have something to shut regen off or the temps out of the tip would be over 1000*

91Terminator · #8 (**permalink**) 01-19-2011, 03:26 PM

Quote:

Originally Posted by dhanna6powerstroke

If you go with the proper DPF back system then you wouldn't but if you just put a straight pipe on with a normal tip then you have to have something to shut regen off or the temps out of the tip would be over 1000*

Gotcha Thanks.

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