Update your semi with an efficient method to direct fumes away from passengers, with the Power Products 4" Aluminized 90° Exhaust Elbow that ensures you're Ready for the Road Ahead™. This replacement exhaust elbow pipes smoke and outputs away from the motor, to eliminate excessive noise and improve the overall performance of the engine. Engineered with de-burred and finished end cuts for safe handling. FleetPride is your First Click in Heavy Duty®.