T3 T4 T04E A/R.63 Internal Wastegate Turbocharger+Turbo Heat-Wrap Blanket (Blue) Made with High Quality Material, Cast Housing with Durable Steel Capable of Boosting Horsepower up to 400+ BHP Inlet / Outlet: 3" / 2" Exhaust (Turbo Manifold) Flange: Standard T3 T4 4-Bolt / Exhaust (Downpipe) Flange: Standard T3 5-Bolt Compressor Inducer: 50.55mm / Turbine Exducer: 55.90mm / Turbine A/R: .63