what is this?
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Mountain Pass
Joined: Feb 2006
Posts: 118
Likes: 4
From: glendale,az
what is this?
I had a ford mechanic tell me this is not a catalytic converter, its some type of ash collector. I was also told the f350 didnt come with cats, is this true? All these years ive wanted to do an exhaust but am worried about emmisions.
Thread Starter
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Mountain Pass
Joined: Feb 2006
Posts: 118
Likes: 4
From: glendale,az
wow so all these years i coulda had a nice exhaust on my truck. ok im gonna search old exhaust threads.
ill ask real quick if i stay with the 3.5 inch i have now, just cut this thing out and replace it with a foot long piece from napa for 7buks, do the same with the muffler, and get a 3.5 downpipe off ebay or dale.
or would i really notice a difference going with a new 4inch complete system?
ill ask real quick if i stay with the 3.5 inch i have now, just cut this thing out and replace it with a foot long piece from napa for 7buks, do the same with the muffler, and get a 3.5 downpipe off ebay or dale.
or would i really notice a difference going with a new 4inch complete system?
Posting Guru
Joined: Nov 2001
Posts: 1,743
Likes: 2
From: Ft Scott
Az emissions are easy, just the opacity test. I passed it 6 years in a row and only the first time I went did it have a cat or muffler. Never did they even look under the truck to see what was (or wasn't) there.
Posting Guru
Joined: Nov 2001
Posts: 1,743
Likes: 2
From: Ft Scott
Well I was gonna give you a link for APG but I see you're already registered on the site.
That's a great group, you should take advantage of it.
Arizona Powerstroke Group
That's a great group, you should take advantage of it.
Arizona Powerstroke Group
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Posting Guru
Joined: Nov 2007
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From: West Texas
Technically, it is still illegal to remove the cat unless you are replacing it. That's federal law. It IS a catalytic convertor too BTW. I worked for Ford for a long time as a mechanic myself. It's not the same as the new diesels have that are called DPF's Diesel particulate filters. Yours is a real cat. It's a totaly worthless one in my opinion due to the temperatures these exhaust systems run at but our government and auto manufacturers thaught it would be a good idea. I think it was one of those feel good laws. They sure don't do a thing for the environment on this engine.
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Thread Starter
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Mountain Pass
Joined: Feb 2006
Posts: 118
Likes: 4
From: glendale,az
i was also told since my truck is an f350 1 ton, and i pay commercial taxes, i dont need to run a cat. maybe thats why my emmisions ticket says n/a in the cat box. isnt there supposed to be a sticker somewhere on the truck that says if it came with, or is supposed to have a cat?
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Joined: Nov 2001
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From: Ft Scott
It doesn't matter that it's an F350, it came with a cat and legally it's supposed to have one.
Mine's an F250 and it also had n/a in the cat box.
It was also registered commercially for the 1st two years I had it.
Mine's an F250 and it also had n/a in the cat box.
It was also registered commercially for the 1st two years I had it.
