GENUINE SUBARU RESTRICTOR PILL FOR COBB ACCESSPORT - SUBARU (WRX / STI)

If you are running high boost on a Stage 2 Cobb map on your Turbo Subaru here is the solution to your spiking issues. COBB has released a Service bulletin requiring this OEM Subaru Boost Pill as the solution. This is for use with the stock boost controller or any aftermarket 3 Port EBCS.