6637 air filter
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Tuned
Joined: Jun 2013
Posts: 253
Likes: 1
6637 air filter
i know this may be a flashback to 7.3 days but I’m wondering if anyone’s done this on a 6.7 (17-19 models in particular). I really loved it on my 7.3 I never dusted my intake or turbo that’s know. With aftermarket CAI but still was judge improvement for breathing .
Lead Driver
Joined: May 2007
Posts: 5,613
Likes: 9
From: Flagstaff, Arizona
That part number is a blast from the past! I don't think it is necessary on the 6.7's though, the factory box seals up pretty tight, not allowing dust in, unlike the old barn door style clamps the 7.3's came with. Finding the actual space to squeeze a 6637 could be an issue as well. I personally wouldn't do it!
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