Perrin 3 inch Turbo Inlet Black WRX (2002-2007) STI (2004-2018) Volkswagen This disc complimented by a

This disc complimented by a performance pressure plate provides 250% increase in torque capacity

Get rid of the ugly and heavy stock steel mounts and replace them with CNC machined 6061-T6 billet aluminum lightweight mounts

It provides uniform loading on the bearing and pressure plate to assure proper alignment

The Perrin inlet hose removes the sound generator tube

all released pressure is vented back into the intake system

Perrin 3 inch Turbo Inlet Black WRX (2002-2007) STI (2004-2018) Volkswagen This disc complimented by aA performance turbo inlet hose is a great modification, especially when upgrading a turbocharger or to a high flow intake system. Perrin's turbo inlet hose for the WRX and STI features 5 ply silicone construction with an internal wire mesh for maximum durability and rigidity without the added weight or heat retention of metal. Perrins full silicone construction is immune to heat soak and guarantees a smooth internal passageway, unlike the stock