cat delete - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 12-03-2011, 07:01 PM Thread Starter
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cat delete

I have a banks dual exhaust and power pack installed and I want to take out my catalytic converter out and replace it with a straight piece of pipe. What can I expect for a performance change, mpg increase and egt changes
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post #2 of 7 Old 12-03-2011, 07:14 PM
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Lower EGTS and some say you lose a little low end if you have the factory exhaust not sure on your set-up. Not much change in performance or MPG's
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post #3 of 7 Old 12-03-2011, 07:23 PM Thread Starter
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I have a banks 4" exhaust system and to take out the cat I will have a short piece of 3 1/2 pipe to replace the cat
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post #4 of 7 Old 12-03-2011, 07:39 PM
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Ok, so delete the CAT and sell it. This will pay for your delete pipes and provide lots of beer money. The scrap yards around here are paying $75+ for old CAT's... They nailed a guy at walmart with a cordless Saz-all cutting them off cars in the parking lot.
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post #5 of 7 Old 12-04-2011, 06:25 AM Thread Starter
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I deleted it but have to hang on to it smog rules but i'm good for a couple of years. used the old exhaust pipe for the bridge piece so all in all just a couple of hours of time to do it. now ill have to see the results.
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post #6 of 7 Old 12-04-2011, 06:56 PM
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I just removed my cat with a stock size 3.5" pipe. Didn't notice any power change or MPG increase, just a lot of noise (which I don't really mind)
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post #7 of 7 Old 12-04-2011, 07:22 PM
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I plan on beating the guts out of mine, welding some flow straighteners back in and re-installing it.
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