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Old Mar 2, 2010 | 10:25 AM
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6637

what is a 6637 i c this on most peoples threads
 
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Old Mar 2, 2010 | 10:32 AM
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It's a cheap intake mod. The stock air filter box is garbage and does not seal well. Instead of dropping $200-$400 or more on an intake (aFe, Ford AIS), a lot of us got a piece of 4" diameter aluminum (or exhaust piping), modified/removed our air box base and dropped in a big ol' air filter (Napa part number 46637) for less than $100.

You can find one here:

Riffraff Diesel: RDP 6637 Filter Kit
 
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Old Mar 2, 2010 | 10:34 AM
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The 6637 is the "Big Honkin' Air Filter" on the right side of this pic:
 
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Old Mar 2, 2010 | 10:35 AM
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x2 on that, speakin of it, it wont be long before i'll need another filter.
 
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Old Mar 2, 2010 | 10:41 AM
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will it flow more air than my afe stage2
 
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Old Mar 2, 2010 | 02:14 PM
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Not enough to worry about. I think the AFE was one of the ones tested on the dyno with the 6637. It was only a couple HP different.
 
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Old Mar 2, 2010 | 02:25 PM
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I love my 6637. Best money spent.
 
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Old Mar 2, 2010 | 07:43 PM
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thanks izzy
 
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Old Mar 2, 2010 | 08:01 PM
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More Pictures if the Big Yellow.. When i first got the thing i thought i ordered the wrong size or something. Noway dat Thang going to Fit in there.. It did.. Nicely in fact.. Of course i always buy two of everything.. One for me and one for my dad.. Except i forgot the Pete Hat on my dads. He had to order himself from pete.. lol.. That thing is sweet.. Love it.


 
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Old Mar 3, 2010 | 01:16 AM
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Hey Dan how do you keep your engine so clean? Also where did yoou get that yellow air filter cover and yellow cooler pipes?
 
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Old Mar 3, 2010 | 01:19 AM
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Originally Posted by homesteader
Hey Dan how do you keep your engine so clean? Also where did yoou get that yellow air filter cover and yellow cooler pipes?
You can paint your I/C pipes and spyder and the cover came from Pete, his link is in my sig or if you want a Riffraff one they are on my website.
 
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Old Mar 3, 2010 | 01:20 AM
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Dan I like the engine bay looks sharp bud.
 
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Old Mar 3, 2010 | 01:26 AM
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what is the secret to making your engine compartment shine like Dans ?
 
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Old Mar 3, 2010 | 01:35 AM
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Lots of patience, cold beer, and engine cleaner, etc...
 
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Old Mar 3, 2010 | 05:21 AM
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Originally Posted by flatbeder
Lots of patience, cold beer, and engine cleaner, etc...
You can go here for all the info. Welcome to Pete's 6637 Intake Cover Web Page

I had a member of FTE *i forget* send me a pc of a 4" 4 long of exhaust pipe.. Really only need 2.5 long. I found my dads 4" up at the local garage. To attach the new filter to the existing intake tube.

Thanks on the Comps.
Got that right.. Plus a set of hood hinges(opening the hood so much).. If it looks like crap when i opened the hood, i get after it and clean it up.. There are a bunch more things i want to get after. Didn't do much last summer. It rained so much.
 
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