PIPE,EXHAUST (GM)Specifications Item Description This welded exhaust pipe assembly is a critical engine component for the JLG 450AJ 450A aerial work platform equipped with the GM engine and Arctic package. The pipe directs exhaust gases away from the engine block and measures 15in L x 5. 25in W x 3in H, weighing 2. 95lb. One pipe is required per engine installation. Skyworks is an authorized reseller of JLG parts. Make JLG Part Number 1001172795 Height 3in Length 15in