Cat lovers?
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Senior User
Joined: Feb 2006
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Cat lovers?
Okay, so you guys have been a huge help with your input on "Who has gutted their cat"....
You talked me into just buying the MBRP cat delete pipe...Almost....
So here's my nitpicky question:
I've read that these turbo's need some back pressure, and the cat helps give that. I've heard that removing the cat might be bad for your turbo- maybe cause overspin/ damage/ or just bad performance without the backpressure that the cat can provide...
What do you think about that?
Anyone ever had any NEGATIVE effects to their turbo's or engine performance that you attribute to removing your cat?
Anyone know enough about this backpressure concern to share your input, regarding my concern?
I know somebody out there has got to be thinkin "Sheesh, this guy has GOT to just DO it!" but that's what this site is for, right? To share experience/ knowledge? I'm just wanting to know if any of you fellow 6.0er's any had negative effects of removing the cat before I push that "buy" button..
Thanks a TON for all of the great info that you guys have given so far...
You talked me into just buying the MBRP cat delete pipe...Almost....
So here's my nitpicky question:
I've read that these turbo's need some back pressure, and the cat helps give that. I've heard that removing the cat might be bad for your turbo- maybe cause overspin/ damage/ or just bad performance without the backpressure that the cat can provide...
What do you think about that?
Anyone ever had any NEGATIVE effects to their turbo's or engine performance that you attribute to removing your cat?
Anyone know enough about this backpressure concern to share your input, regarding my concern?
I know somebody out there has got to be thinkin "Sheesh, this guy has GOT to just DO it!" but that's what this site is for, right? To share experience/ knowledge? I'm just wanting to know if any of you fellow 6.0er's any had negative effects of removing the cat before I push that "buy" button..
Thanks a TON for all of the great info that you guys have given so far...
Elder User
Joined: May 2005
Posts: 968
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From: Tennesee
chixdigit,
Lots of BS at lots of dealers, don't worry the back pressure thing is all smoke and mirrors etc. But you do have a potential problem the MBRP cat test pipe will not work on the stock system, you'll have to get an AFE one as they are designed to work ont he stock system. We have a hard time keeping them in stock!!!
Now if you're after lower EGT's do yourself a favor and get a system vs just a cat pipe. The system will lower your temps waaaay more than a cat pipe will, in fact you can leave the cat in place with a system and still lower the EGT's more than a cat pipe alone.
Mark @ DPPI
Lots of BS at lots of dealers, don't worry the back pressure thing is all smoke and mirrors etc. But you do have a potential problem the MBRP cat test pipe will not work on the stock system, you'll have to get an AFE one as they are designed to work ont he stock system. We have a hard time keeping them in stock!!!
Now if you're after lower EGT's do yourself a favor and get a system vs just a cat pipe. The system will lower your temps waaaay more than a cat pipe will, in fact you can leave the cat in place with a system and still lower the EGT's more than a cat pipe alone.
Mark @ DPPI
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Senior User
Joined: Feb 2006
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Thanks for the input Mark...
Are you referring to my intake?
Actually, I have the stock intake with the zoodad mod. I've been told that the stock intake on the 6.0's is a very good one, and with the zoodad, I am in the opinion that I am letting enough air into the system. Is this what you are saying I need to do- is get an intake like AFE or AirRaid?
From there, I already have the MBRP 4"Turbo back system... I'm sure that the cat-delete pipe would work with that- right?
Are you referring to my intake?
Actually, I have the stock intake with the zoodad mod. I've been told that the stock intake on the 6.0's is a very good one, and with the zoodad, I am in the opinion that I am letting enough air into the system. Is this what you are saying I need to do- is get an intake like AFE or AirRaid?
From there, I already have the MBRP 4"Turbo back system... I'm sure that the cat-delete pipe would work with that- right?
Postmaster
Joined: Feb 2006
Posts: 3,201
Likes: 4
From: waynesville, mo.
we're getting instances after the voluntary recall of loss of power. A lot of these are ending up being cracks in the y pipe. The vehicles performance returns after replacement. If a crack will affect the backpressure sensor, wonder what a free-flowing exhaust changes?
Senior User
Joined: Sep 2004
Posts: 235
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From: S.W. Michigan
Originally Posted by vloney
we're getting instances after the voluntary recall of loss of power. A lot of these are ending up being cracks in the y pipe. The vehicles performance returns after replacement. If a crack will affect the backpressure sensor, wonder what a free-flowing exhaust changes?
Where is the EBP located? Before or after the exhaust turbine?
Postmaster
Joined: Jun 2006
Posts: 2,799
Likes: 1
Originally Posted by chixdigit
I've read that these turbo's need some back pressure, and the cat helps give that. I've heard that removing the cat might be bad for your turbo- maybe cause overspin/ damage/ or just bad performance without the backpressure that the cat can provide...
What do you think about that?
What do you think about that?
Just buy the cat delete pipe, you won't regreat it. If you're that concerned, make sure that you keep the stock cat. You could always reinstall it later if you wanted to. I saved mine just in case there's any warranty issues. Although, I hate to think of the hours it would take to put all the stock components back on mine for a warranty issue. lol
