Riffraff Diesel 6637 7.3L Intake Filter Kit
This kit contains:
- Riffraff Diesel 6637 Filter
- Optional AFe Big Boost washable, or a Donaldson Blue® Filters
- Custom "Riffraff Diesel" Pre-filter Cover (Optional $29)
- Filter Adapter Tube
- 94-Early 99 Uses a 45* Tube
- Late 99-03 Uses a straight Tube
- SS T-Bolt Clamp
Late 1999-2003 Powerstroke production date 12-7-1998 and after
468 Reviews Hide Reviews Show Reviews
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Great simple product
Anything that simplifies the truck while improving air flow, dirt capacity, and turbo spool up times is a great product. Cant beat it for the price
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Perfect fit easy install
Wanted to replace stock air box. Replaced with the kit
Easy install less than 10 minutes fits great. -
Awesome
Easy install! Works great can actually hear the turbo now.
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Air filter
I got what I wanted.
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Easy installation. Minor modification to my stock air intake. Has improved the breathing of my motor.
Great product! Affordable performance!
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Awesome
Easy to do...had oldboy out and this installed in 10 minutes...works great...can finally hear the turbo
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Would highly recommend
Great quality love how it looks overall would highly recommend this product honestly.
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High flow, great performance
The filter is enormous. Ample surface area to draw in much greater air flow over the stock filter. The turbo spools in much lower rpm range, and the turbo also sounds stronger. Increased my MPG by about .75 of a gallon, minuscule, but does seem to help a little. Not to mention I’ve got my foot in it more often now. Gave me A power boost that I could feel in my seat. For $110ish you can’t beat it. I was hesitant to buy this instead of the S&B or K&N, and if you are too take my word for it. You will not be disappointed.
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Big blue Donaldson filter kit
Easy to install. Works great
