This is a great boost controller for the MR2 3SGTE engine. We have run and fully tested this controller and it is a terrific match for the Toyota turbos and comes with all the hardware to install. We like to install these in the radio pocket.Racing technology for the streetE-Boost STREET is an electronic boost controller aimed at the street performance market. It features many boost control capabilities found on its big brother – the e-Boost2, continuing the e-Boost tradition of providing class-leading boost control, value for money and no nonsense features.New features include 40psi max boost operating pressure and an auxillary output.FEATURES:• 2 Boost Settings: easily selected via the “turn-and-push” button. An external switch can also be used to change between boost groups if required.• Boost Correction Factor: eliminates boost drop off at high RPM.• 3 Segment Display: with adjustable brightness can be configured for PSI, KPa, or BAR and will flash when warning of over boost shutdown or rev limit, allowing the unit to be used as a boost gauge, tachometer, or a shift light.• Maximum Boost Level: 40PSI / 2.72BAR.SUPPLIED WITH:e-Boost STREET control unit. Wiring loom + installation kit. Solenoid with mounting bracket and vacuum fittings, vacuum hose and hose clamps