0.8mm Restrictor Pill
Running a Stage 2 Cobb MAP and not hitting target boost, or spiking over boost? This is the solution.
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
This includes the Pill, Vacuum Lines, & T fitting needed to install