Made to high standards, these covers are designed to extend the life of your air intake filter while also giving you a way to visually see the amount of dust collected. The covers work equally well on both oiled and non-oiled filter elements to prevent larger debris from prematurely reducing critical air flow to your engine.
Installation Note: Take care installed over filter elements with metal cages as a metal snag can tear your cover.
59 Reviews Hide Reviews Show Reviews
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Highly Recommend this with 6637
This cover will keep most debris out of your filter and makes the filter last alot longer. Cleans up the look of the filter too since it says RiffRaff Diesel on it.
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Very nice filter cover
Very happy with the quality of this filter cover, went on with no issues
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Great Fit and Finish
Fits good, slides right on and seems to be helping my filters last longer. Not to mention it just looks sharp under the hood.
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6637 Cover
Nice product. Perfect fit. Should extend the life of my new blue 6637 filter. Looks cool,
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Not as good as previous versions
The previous version with dual drawstrings was far better and durable. This feels like it should have cost at most $2 not $30. Of course RiffRaff wont post a honest review so no one will ever see this.
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6637 Filter Cover
Perfect fit and looks great!
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Great look
Fits perfect
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Filter cover
Nice cover. Easy to install. Fast delivery. Thanks
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Air filter cover
Does what it says keeps the filter cleaner and looks good
