Mandrel formed Turbine Outlet Pipe. Optimizes turbo performance. Includes Front Intermediate Pipe, Upper Turbine Outlet Pipe, Lower Turbine Outlet Pipe and all necessary hardware. The turbine outlet pipe is one of the biggest restrictions in your vehicle's exhaust system. Pushing air out of the turbocharger wastes power that should be going to the drive wheels. Monster turbine outlet pipe provides a restriction - free path out of the turbocharger for quicker response, higher boost and more power. The larger diameter increases exhaust flow, producing more torque and horsepower.