Product Details: Equip your semi truck to be Ready for the Road Ahead™, with the Power Products 5" OD x 18" Aluminized Exhaust Stack Pipe, a crucial piece that smoothly expulses gas. Due to its vertical design, this replacement stack is able to transport exhaust gases away from an engine and into the atmosphere where it is quickly dispersed. Constructed with a durable metallic body to be suitable for outputs from diesel engines. FleetPride is your First Click in Heavy Duty®.