filter??
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Posting Guru
Joined: Feb 2008
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filter??
i want to do the 6637 filter but i am concerned about pulling hot air from the engine during the summer months of pulling. my father is also concerned about it and he thinks i should just take the front off of the stock filter ad use the originl like that so then i have more surface area for the filter. 
sorry about the long post just tryin to leav enough info. any info on what i should do would be greatly appreciated. 
sorry about the long post just tryin to leav enough info. any info on what i should do would be greatly appreciated.
Postmaster
Joined: Jun 2007
Posts: 2,795
Likes: 1
From: Rogue River, OR
You are still pulling the same air from the same area but with the Napa 6637 you have more filter area, less restriction and the possibility of "Dusting" your turbo from unfiltered air is nil if installed properly.
Don't even think twice about dumping the OEM filter and upgrade to a 6637.
Rog
Don't even think twice about dumping the OEM filter and upgrade to a 6637.
Rog
Lead Driver
Joined: May 2007
Posts: 8,606
Likes: 13
From: Belair md
you have nothing to worry about with hot air or even water getting on the filter, while you are driving there is tons of air flowing under the hood.
the main problem with the stock airbox is not flow but dirt ingestion. they do not seal properly and a recall came out for the box bolts, even with the new bolts the box is a horrible seal and dirt goes around the filter. even if you bought a drop in style filter you will still have dirt getting around the filter and into your engine. dirt and 20,000+ rpm turbines dont mix well. if you pull the orange boot off of your turbo will will see the blades are probably rounded a little on your turbo with the miles on your truck, as long as they are not chipped then you have nothing to worry about.
the best thing you can do is get the 6637 and install it. if you are that worried about the hot air you can make a shield very easily out of sheet metal to channel air from the grill into the filter area
the main problem with the stock airbox is not flow but dirt ingestion. they do not seal properly and a recall came out for the box bolts, even with the new bolts the box is a horrible seal and dirt goes around the filter. even if you bought a drop in style filter you will still have dirt getting around the filter and into your engine. dirt and 20,000+ rpm turbines dont mix well. if you pull the orange boot off of your turbo will will see the blades are probably rounded a little on your turbo with the miles on your truck, as long as they are not chipped then you have nothing to worry about.
the best thing you can do is get the 6637 and install it. if you are that worried about the hot air you can make a shield very easily out of sheet metal to channel air from the grill into the filter area
Postmaster
Joined: Jun 2007
Posts: 2,795
Likes: 1
From: Rogue River, OR
Originally Posted by kawa
You are still pulling the same air from the same area but with the Napa 6637 you have more filter area, less restriction and the possibility of "Dusting" your turbo from unfiltered air is nil if installed properly.
Don't even think twice about dumping the OEM filter and upgrade to a 6637.
Rog
Don't even think twice about dumping the OEM filter and upgrade to a 6637.
Rog
Rog
