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.
68 Reviews Hide Reviews Show Reviews
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Filter cover
Great product
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Filter Cover
Just like everything else riff raff has absolutely top of the line!
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6637 Filter Cover
In my opinion this is a much needed addition to the 6637 kit. As usual from Clay top quality material, fit, and function.
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Cool thingy
Seems of good quality. Only had it on for a couple weeks. We’ll see how it is next year. No complaints so far.
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Air filter cover
Another great product from Riff Raff. Great service!
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ITS OK
not what i expected. My old one was a draw string type, this one has an elastic and it doesn't really fit over the filter well. definitely went the cheaper route in manufacturing.
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Air
This did not do that much to my truck but looks cool
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product
Looks good
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6637 REPLACEMENT COVER - BLUE
Makes the filter look really good
