Riffraff Diesel Billet Intake Manifold Plenum Set for Ford 7.3L 1994-2003
Our Gen 3 billet aluminum plenums are 100% made in the USA from USA materials.
An engineered design that addresses several issues at once:
- Pair of 6061 Billet Aluminum Plenum - No more sheet metal to bend
- Made In the USA!
- Fits all popular 1994-2003 stock pedestal mount and T4 turbos
- Anodized for a long lasting finish
- Larger intake mouth to accommodate flow
- Fits under both stock and modified turbos 1994-2003
- Commonized to work with all 8 and 10 bolt cylinder heads
- Stainless Steel mounting hardware for seamless install
- Viton O-ring seal rather than RTV - Tested at over 150psi
- Works with both dual and single HPOP's
- Billet spacers for GPR and GPCM brackets
- Plenum mouth O.D. is machined to retain intake "Y" better for T4 style kits
If you are looking for a true billet solution at an economical price, then this is your product.
*Note: Anodized Color on Aluminum can be discolored / damaged by chemical engine cleaners. Use only soap and water to clean.
*Fitment Note: The hardware included with the plenums is intended to secure the plenums and GPR/AIH bracket only; if the fuel line clamp and AIH ground wire will be re-used, customer will need to make provision for the reinstallation of those items. We suggest the RDP-FFL line kit in place of the stock fuel lines.
105 Reviews Hide Reviews Show Reviews
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Manifold plenums
Very high quality and replacement for another product that didn’t seal to the intake properly.
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Great part but the seals are a pain
The seal is not easy to get to stay in the groove and will easily pop out if stretched too much or rolled into the groove. I ended up using a small amount of gasket tac in the groove to keep the seal in position while installing.
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Must Have For Anyone Producing Over 23 PSI
These billet intake manifolds are a work of art. Exceptional quality, function and looks. My stock plenums RTV gaskets blew out due to my truck producing 27~32 PSI. These billet plenums w/ the o-ring style gasket fix and surpassed my issue. Highly recommend these to anyone boosting over 23 PSI.
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Excellent Design
These are by far the nicest addition to my 2002 7.3 I have done. Stainless hardware, and the machining is perfect. Easy install once you get your stock plenums off and clean all that nasty rtv off the heads.
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These are awesome!
My flat plate style plenums started leaking. Replaced them with these. The gain in performance is amazing. They are well worth the money to buy them.
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Quality Part
Well thought out and well engineered part. This bolted up to my 2001 7.3 just like it should, and the oring seal is so much better than the stock RTV. The stainless steel hardware that is included is a nice touch as well.
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Riffraff Quality
By far the best plenums for a 7.3! O-ring sealing and amazing machine work!
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Look amazing
The fit is perfect and they look amazing! Hug difference in valley. The O'ring seal is very hard to install and keep in place. It should of been a square seal and not round and make the groove deeper so it sits in place better. I'm just hoping it didn't roll or pop out when i installed them.
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Billett plenums
Perfect for geting intake boots tight and they look great! Worth every penny
