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RDP Plenum Reinforcing Inserts™

  • Image 1
Retail:
$39.58
Your Price:
$35.86 (You save $3.72)
Part Number:
RDPPRI
Manufacturer:



RDP Plenum Reinforcing Inserts™ - Ford 7.3L 99.5-03

These billet 7075 Aluminum plenum inserts are a Riffraff Diesel original design and are patent pending. They are made to allow you to clamp down as hard as needed with T-bolt clamps so that you don't have any boost leaks. Fix your bent and crushed stock plenums with our Inserts as well. This is a budget friendly option to buying full billet plenums. Easy install, no special tools needed.

These were designed so as to add the least restriction possible while providing more than adequate structure for clamping. The Plenum Inserts have been machined to within .164" of the OEM diameter so there will not be any measurable affect on EGT's or cfm flow.

These are sold in a pair.

Riffraff Diesel Performance is committed to 100% Made in the USA on this product. All materials are from USA resources. Every machining step is performed in the USA. Every component is assembled in the USA.

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Fitment Details

1999.5-2003 Super Duty, and Excursion Powerstrokes
Will Not fit Early 99
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Product Reviews

Showing reviews 1-10 of 112 | Next

  1. Great product. 5 Star Review

    Posted by on Sep 27th 2018

    Takes the worry out of destroying your stock pkenums. Work great.


  2. You didn't think you need these, but you do 5 Star Review

    Posted by on Sep 3rd 2018

    I was honestly surprised how much my intake plenum inlet was squeezed in when I installed these. These are the BEST peace of mind you can buy if you're currently budget minded in your build and are wanting to help stop any boost leaks.


  3. As advertised. 5 Star Review

    Posted by on Aug 6th 2018

    Worked great. Can really torque the clamps. No leaks.


  4. Worked perfectly 5 Star Review

    Posted by on Aug 4th 2018

    You cant go wrong if you purchased these for stopping boost leaks. Perfect fit!


  5. These fit perfect 5 Star Review

    Posted by on Jul 25th 2018

    Fit perfect in my 7.3. I was able to really crank down my new T clamps.
    Just as advertised, a great product.


  6. Excellent product 5 Star Review

    Posted by on Jul 8th 2018

    I had a intercooler boot blow off about a month ago so I decided to do the whole deal. Ordered a new set of boots, t-bolt clamps and these billet inserts all from RiffRaff. The inserts are excellent quality and with a small piece of 2x4 and a mallet they tapped right into place fixing my old plenums. Well worth the price.


  7. Quality 5 Star Review

    Posted by on Jul 3rd 2018

    Thumbs up


  8. Great product 5 Star Review

    Posted by on Jun 27th 2018

    I had taken the plenums off to clean and reseal. These were added to make the plenums bullet proof. Nice tight fit and all the reinforcement it needs. New boots and T clamps. Riff Raff has become my one stop shop. I can’t believe how fast stuff ships from here


  9. Added Improvement 5 Star Review

    Posted by on Jun 12th 2018

    I was able to crank these down. These added much more strength to the stock plenums.


  10. RiffRaff Plenum 5 Star Review

    Posted by on Jun 11th 2018

    Awesome product!!..allowed me to crank down the clamps a little more without worrying about crushing plenum sleeve.


Showing reviews 1-10 of 112 | Next