Cold Air filter Intake
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Hotshot
Joined: Aug 2001
Posts: 16,275
Likes: 402
From: Odessa, Delaware
Cold Air filter Intake
The 2006 F-350 I'm about to buy has a cold air intake/filter installed. I'm not sure what kind of filter (K&N, etc.) but what I've been trying to learn from this site is that most people don't like using this set-up. Should I look into buying the stock air filter assembly (salvage yards) or is there something out there that works just as well?
Thanks!
Thanks!
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
Nothing out performs the factory filter for a stock or mildly tuned truck. I'd look for a stock set up. Before buying the truck have a good look at the turbo for dusting or other signs of damage. You might also check for signs of a tuner being used on the truck. I myself would be leary.
Laughing Gas
Joined: May 2006
Posts: 1,192
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From: Oakville, Ontario
Open the air intake. Take a good look at the veins and movement of them. check for shaft slop (side to side, up and down). That's the only way I could think of. I'm sure there is a better way. Or look for another truck.
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
If any of the metal inside the turbo or inlet looks like its been bead blasted or is wet from oil you've probably got problems. The oil would be from the a/m filter and will probably cause maf problems.
Posting Guru
Joined: Sep 2009
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From: Virginia beach, VA
K&N is not a good CAI for these trucks (or so I've heard). If you really want an aftermarket filter, go with S&B or AFE. They will flow more and give a slight increase in hp, but no aftermarket filter is going to hold as much dirt as the stock one. The two brands I mentioned are a good compromise between filtering and performance, if you don't mind having to change filters more often.
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Hotshot
Joined: Aug 2001
Posts: 16,275
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From: Odessa, Delaware
I'm not really sure what brand of filter is on this truck. I will look inot the one's you mentioned.
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Hotshot
Joined: Jul 2005
Posts: 13,834
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From: Middle Tn.
K&N is not a good CAI for these trucks (or so I've heard). If you really want an aftermarket filter, go with S&B or AFE. They will flow more and give a slight increase in hp, but no aftermarket filter is going to hold as much dirt as the stock one. The two brands I mentioned are a good compromise between filtering and performance, if you don't mind having to change filters more often.
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Postmaster
Joined: Jul 2011
Posts: 3,263
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From: Houston, TX
the safe bet is the stock setup. after all, the stock air filter is able to handle about 500 hp. donaldson manufactures these air filters for motorcraft. u can get one from a ford dealership or online. for the connectors and stock hoses, u can find some decent ones from a salvage yard, unless ur like me who's paranoid and must have everything new. lol..... cant.......fight.....this......feeling........any. ... longer.......
Posting Guru
Joined: Sep 2009
Posts: 1,739
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From: Virginia beach, VA
You may be right about the powerband (I haven't seen a before and after dyno graph) but either way your not hurting anything by using a good aftermarket filter, they just don't last as long
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