Riffraff Billet Intake Manifold Plenums 

Our Gen 3 billet aluminum intake manifold plenums are 100% made in the USA from USA materials

Features and Details:

• An engineered design that addresses several issues at once: 
  - Pair of 6061 Billet Aluminum Plenums - 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

*Note: Anodized Color on Aluminum can be discolored / damaged by chemical engine cleaners. Use only soap and water to clean.