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Power Strokes
7.3 Aftermarket
6637 not flowing enough?
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[QUOTE="SkySki Jason, post: 85747, member: 1118"] Not trying to defend the covers - but comparing the surface area is not an accurate representation of flow volume, considering the micron rating of the 'cover' is substantially greater than the filter itself, and therefore not as 'restrictive'. I do agree ANY additional layer adds restriction and if it removes dirt from the air it is also 'clogging up' and reducing flow... I mentioned them in response to the paper filter's resistance to water - aren't these supposed to mitigate water getting to filter? FWIW, I've run a 6637 for 200k miles in my F350 and used a cover for about 50k. I took the cover off after reading about some who felt like they had more power/less smoke without it... I too always thought it was funny people pay more to advertise!! :toast: [/QUOTE]
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6637 not flowing enough?
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