The Freightliner And Western Star 18.5 Inch Long And 5 Inch Diameter Replacement Exhaust Pipe is a practical and reliable solution for replacing the OE 0427744002 exhaust pipe. Made in the USA with stainless steel construction, this exhaust pipe offers OEM quality and is directly replaceable with OE parts. It comes with clamps and gaskets included, making installation hassle-free. With a length of 18.5 inches and a diameter of 5 inches, it fits most Freightliner and Western Star makes and models. This exhaust pipe meets EPA 10 exhaust emission norms, ensuring compliance and optimal performance.