Perrin Oil Cooler Kit WRX (2002-2014) STI (2004-2018) Infiniti This valve is ideal for

This valve is ideal for both street and race cars and produces the signature Supersonic sound

- TUV approved lowering range and operation

full 3” straight-through design that allows the WRX to deliver its famous rumble without rasp or in-cabin drone

Regardless

Perrin Oil Cooler Kit WRX (2002-2014) STI (2004-2018) Infiniti This valve is ideal forEach PERRIN oil cooler for the WRX STI uses a Setrab core which maximizes heat dissipation without pressure build up. Oil ways are interspaced with airway corrugations providing optimum heat transfer, while the oil passages use "turbulators" to break down boundary layer effects in the oil flow. Setrab Oil Coolers employ an in line turbulator to gently stir the fluid being cooled, thereby ensuring that the fluid has exposure to the entire internal