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
475 Reviews Hide Reviews Show Reviews
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Poor Mans Intake
Solid solution they have here....I ordered it up & received it within 5 business days. Install was a breeze & took no more than 10 minutes. i did have to break the tabs on the battery box in order for the filter to sit down in there. I do wish i could have ordered the "KIT" without their sock to save the money!
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Good set up
Like the set up, I can definitely feel a difference over the stock air box. Simple to install, took me 20 minutes. Thanks!
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Really opened up my intake.
Installed on 2001 F350 7.3l in about 20 min. Really opened my intake to breath better. Very happy with it and well worth the money.
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Great unit
Got the Riffraff Diesel 6637 Filter Kit with the cover and installed it the same day. Did exactly what I read about on all the web sites. Way better than the stock unit on my 16 year 193,000 plus mile 7.3L F250. Great price too.
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Good product
This fits good but i believe it is over priced for all the more it is
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Excellent
Excellent product, easy install. Already a change in power. Went from 13mpg to 17mpg. Very impressed
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Great filter, sounds good, better response
Got the kit today and installed it, fits great, sounds awesome without that much more sound, butvyou can really hear the blow off at the end of boosting. Prefilter is high quality and really sets it off. Highly recommend! Buy now! Next is a CCV mod.
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Excellent product
Nice product, priced right, shipped quick. Sure sounds like my truck is breathing better now
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Superior
Super easy installation. Impressive fast shipping. Superior difference in air flow. Another great riff raff product. Must have!
