HRD RBC Throttle Body Adapter Plate

The 9th Gen Si OEM intake manifold has 3 vacuum ports. When switching to the RBC manifold, you will find that there are only 2 ports. This adapter plate will provide you with the 3rd port, to be hooked up to the brake booster line. It also comes with an accessory 1/8" NPT hole, to provide a boost reference for accessories (Boost gauge, BOV, Wastegate, FPR, etc). The adapter plate is precision machined out of 6061-T6 aluminum, and anodized in HRD blue.

Included:

• Aluminum adapter plate
• Custom molded O rings (both sides)
• Titanium Hardware
  
• Stainless Steel Hose Fitting
• 1/8" NPT plug
• 90° 8mm quick connect fitting (optional for turbo lines)