Hey guys, I am thinking about doing a Cat delete on my stock truck to improve MPG and ECTs and will eventually do an EGR delete, custom tune, and ARP studs. I do not want to spend the money right now on all of those (wife might have a cow because we have gone to a single income due to the birth of our first child). If I do the Cat delete only, will the truck throw any codes/ or that obnoxious check engine light come on without getting a custom tune? Thanks for your help.
Troy

 

I have a 2005 F-250, and have had no codes with my cat delete or my egr delete.

 

Stock 2005 F-350 6.0 PSD-both cat and muffler deleted with no codes or check engine light! Sounds much better also!

 

i deleted my cat and muffler, then installed a tuner and won't look back. Runs great and sounds even better. No codes, no problems.

 

Thanks for your help guys.
Troy

 

Where can you get a cat/muffler delete for stock exhaust? Are they completely bolt-on replacements?

Thanks guys
Jerm

 

Yeah, It appears that they are completely bolt on. MBRP Exhaust Systems Ford 6.0L Powerstroke Diesel

 

I didn't see any items that could be used for a stock system.

Thanks
Jerm

 

If you do the cat delete put it in a safe place.

Take a look at this thread. "Emission testing coming to California"

"SO goes Califorina so goes the rest of the country"

ab

 

the cat delete works perfect. the muffler delete requires a little modification, mine wouldn't reach perfectly so i had to use a little pipe from the muffler and tack a few welds on it to keep it together with the clamp. Easy stuff and very worth it. Most diesel sites sell both.

 

I just had an exhaust shop cut me a piece of pipe from stainless and and fit they put it in for me. They fabbed the joints so the piece just bolted in. Keep the old cat just in case.

 

Anyone know the stock exhaust diameter? That way I make sure I get the correct size.

Thanks
Jerm

 

I will definitely be keeping my old Cat. Never know when you are going to have to put it back on! The link that I posted stated "For installation in a stock exhaust system to delete the catalytic converter."
Troy

 

It's 3.5". Here's something to think about:

OEM kitty delete...sorta - Ford Truck Enthusiasts Forums

Yeah, I just posted a link to a thread I just started....