For Mazda CX-7 2.3L DISI K0422-582 K04 Turbocharger Turbine A/R .48 High Quality Material, Cast Housing with Durable Steel; Boost Engine Horsepower Significantly Increase Engine Power and Torque Outpout; Maintain Combustion Chamber Pressure and Fuel/Air Load Contructed with High Quality Material; Built for Durability and Strength Capable of Boosting Horsepower up to 300+ BHP / Exhaust (Turbo Manifold) Flange: Standard Mazda K0422 Flange / Exhaust (Downpipe) Flange: Mazda DISI 2" Diameter Inlet/Outlet: 2.25"/2.25" / Compressor Inducer: 33mm / Turbine Exducer: 45mm / Turbine A/R: .48