RESTRICTOR PILL KIT 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 Electric Boost Control Solenoid (EBCS).