Perrin TMIC Throttle Body Coupler - Fits 08-20 Subaru WRX subaru-wrx-2018 The wastegate actuator is pre-calibrated

The wastegate actuator is pre-calibrated to 15 psi

5 inches anywhere unlike some of the other exhaust systems

Double O-Ring

There are two primary considerations in the design of an intercooler: maximum heat transfer and minimum pressure drop

Perrin TMIC Throttle Body Coupler - Fits 08-20 Subaru WRX subaru-wrx-2018 The wastegate actuator is pre-calibratedOverview Remove your dull OEM top mount intercooler coupler, replace it with a PERRIN Throttle Body Coupler Kit, and give your engine bay a touch of style. Silicone Couplers The PERRIN TMIC Throttle Body Coupler Kit replaces your factory coupler with our high gloss, vibrant color hose that looks and works better. Our silicone couplers are made from fiber reinforced 3 ply silicone tubes. Our high strength reinforced silicone's multi layer design is