Cat converter - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 3 Old 03-12-2008, 07:00 PM Thread Starter
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Cat converter

What do you guys think gets the best fuel millage with cat or with out? Probally a stupid question but just wondering if any body tried both and saw a difference.
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post #2 of 3 Old 03-12-2008, 07:14 PM
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It is hard to tell the difference because most of us have changed our exhaust systems from the turbo back and have taken our cats out. I know that when I changed my exhaust and my air intake I got about 1-2 mpg better. Hopefully that helps

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post #3 of 3 Old 03-12-2008, 07:19 PM Thread Starter
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I have changed my exhaust mos ago and could tell a differance but i keep my cat on and know with diesel so high i am thinking about removing it.
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