T3 T4 TO4E Turbo Turbocharger Kit + Oil Drain Return + Oil FEED Line KitDescription A turbocharger, (or turbo), is a turbine driven forced induction device that increases an internal combustion engine's efficiency and power output by forcing extra air into the combustion chamber. The objective of a turbocharger is to improve an engine's volumetric efficiency by increasing density of the intake gas (usually air) allowing more power per engine cycle. Maxpeedingrods provide the highest quality Turbocharger. Application