Perrin - Subaru 08-21 STI - Pro Electronic Boost Control Solenoid nm-es-universal Fitment Note:

Fitment Note:

Continuous lowering: With the KW Variant 1 Coilover

In order to provide a system that looks as good on the outside as the technical advancements happening on the inside

Black cooler options

The COBB 1050x Fuel Injectors provide increased fuel flow while maintaining stock idle and driveability with proper tuning

Perrin - Subaru 08-21 STI - Pro Electronic Boost Control Solenoid nm-es-universal Fitment Note:OVERVIEW The PERRIN Electronic Boost Control Solenoid (EBCS) Pro is designed to control today's high performance turbochargers with its ultra fast response and bomb proof design. CUSTOM HIGH PERFORMANCE SOLENOID The custom made solenoid coil and valve are made specific to PERRIN specs. This allows the valve to operate almost two times faster and flow almost 50% more than competitors' designs. The EBCS Pro also works with OEM ECU calibrations and