Greddy Wastegate Type R11 (1.1-1.5KG/CM2)50mm Wastegate Type R 11 (1. 1 1. 5 kg cm2) GReddy Wastegate Valve A part that controls boost pressure by bypassing exhaust gas from the exhaust manifold before passing through the turbocharger and suppressing the turbocharger's work. Required when using a turbocharger without an actuator valve. The lineup includes Type R with a 50 valve diameter, Type C with a stainless steel housing and heat insulator with a 50 valve diameter, and Type C High Flow