Riffraff Diesel 6637 Filter Kit

Part Number:
RDP6637

Manufacturer:

$89.00
(475 reviews) Write a Review
99.5-03 Donaldson White 6637 Filter Kit

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

install.jpg

 

USA.png

1994-Early 1999 Powerstroke production date 12-7-1998 and before
Late 1999-2003 Powerstroke production date 12-7-1998 and after
Write a Review

475 Reviews Hide Reviews Show Reviews

  • 5
    So far love it

    Posted by Ryan on Nov 10th 2014

    Gained 3-4lbs of boost.

  • 5
    Good kit!

    Posted by Mr.B on Nov 7th 2014

    Fit was perfect,powder coat on tube is nice and clean, instructions were well written, filter cover looks good , Shipping was fast. I think it Took 3 days. Took about 20 minutes for install and my truck can breathe! I'm a happy customer.

  • 4
    Pretty good.

    Posted by Unknown on Nov 6th 2014

    No expert, but I put this on my 96 f250 power stroke, seems to be pretty good.

  • 5
    Greatness!!!

    Posted by Mark on Oct 30th 2014

    Incredibly easy to install. Clean too quality product and shipping was very fast and packaged perfectly. I love buying from here it's a great experience every time. I will refer any one to this website. Also the filter cover is truly a nice touch. Thanks RiffRaff!

  • 5
    Great Intake kit

    Posted by Unknown on Oct 30th 2014

    Awesome setup and extremely affordable. Took less than 5 minutes to install and looks really clean. Very happy!

  • 5
    RiffRaff win again

    Posted by Dave on Oct 21st 2014

    I had a aFe wet filter in place for years and changed over to RiffRaff's new dry filter , and wow the difference is great very easy to install, and looks great as well.
    I would recommend these filter kit to any one that wants to improve there filtration / intake system .

  • 4
    Fits and works as advertised.

    Posted by Unknown on Oct 16th 2014

    Fits and works as advertised.

  • 5
    Great Kit

    Posted by Dean on Oct 13th 2014

    This kit worked great to replace the cracked factory airbox on my early '99 Super Duty with 285k. Can really hear the turbo now. Easy to install.

  • 5
    very pleased

    Posted by Wade on Oct 12th 2014

    simple, effective and with the option cover looks great