Rev9 1-30psi Manual Turbo Charger Boost Controller Control Blue w/ Vacuum hose Impreza Spring rate and valving are

Spring rate and valving are matched and application specific to provide a performance street feel also perfect for occasional track use

63 AR Turbine Turbine wheel Inducer: 65mm/ Exducer: 54mm Type of Flange T3 Type of Down Pipe Flange 5 Bolt

then you need this piece of tool

49131-07007 49131-07010

- accurate boost control and high quality appearance

Rev9 1-30psi Manual Turbo Charger Boost Controller Control Blue w/ Vacuum hose Impreza Spring rate and valving areBRAND NEW MANUAL BOOST CONTROLLER Made by CNC lightweight Aluminum for strength and untra light weight to mount under the hood. In order avoid replacing wastegate springs, which only give a fixed increase, which is not adjustable, a boost controller will be the most cost effective solution Allows adjustable boost 1 30 psi settings Include instruction diagraph and hardware for installation