Slashes stock outlet and pipe back pressure by 60 Percent. Available separately or with Banks 4 inch Monster Exhaust Stainless 4 inch Monster TOP turbine outlet pipe Removes the final restriction to power. Banks Power Elbow assembly slashes the stock outlet and pipe backpressure by 60 percent. Available separately or with Banks 4 inch Monster Exhaust. Includes: Cast, large-bore elbow housing Stainless, 4 inch Monster T.O.P. turbine-outlet pipe Mounting hardware Note: Banks Brake and Banks Power Elbow cannot be used on the same vehicle. Key Features: Power Elbow assembly Removes power restriction Cast, large-bore elbow housing Includes Mounting hardware Slashes stock outlet and pipe backpressure by 60 percent Available separately or with Banks 4 inch Monster Exhaust Stainless 4 inch Monster TOP turbine outlet pipe CARB E.O. Not Required