6637 mod and ccv mod
I've been researching these two mods and still don't understand the idea behind the ccv mod or how well the 6637 mod works. Just wondering if someone could shed some more light on the two?
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Originally Posted by michael.simmons232
(Post 996551)
I've been researching these two mods and still don't understand the idea behind the ccv mod or how well the 6637 mod works. Just wondering if someone could shed some more light on the two?
The 6637 mod is called this because the filter number is 6637 (from Napa and Donaldson anyways, the wix # is 46637, but part stores can cross reference and get you the right filter) But anyways, this is a very large cylindrical filter designed for larger diesel machinery. The filter is also very cheap ($50), flows extremely well, is easy to change, and is disposable. It is just another option for an intake so you dont have to spend $300+ on an aftermarket intake. The only other thing you need besides the filter is a 3" long section of 4" diameter tube/pipe to bridge between the stock intake pipe and the filter neck. You also have to remove the stock intake box (a couple clips and screws) or modify it in order for the filter to fit in place. Both are great mods and I have both of them done on my truck. Hope I could clear some things up for ya! :tu: |
Have you noticed any change or improvement with the 6637 and what did you do with the air sensor and the filter change indicator on the air box? I'm sure the ccv mod has no performance value.
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Originally Posted by michael.simmons232
(Post 997877)
Have you noticed any change or improvement with the 6637 and what did you do with the air sensor and the filter change indicator on the air box?
Originally Posted by michael.simmons232
(Post 997877)
I'm sure the ccv mod has no performance value.
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