1 1/2 in x 36 in Exhaust Flex Pipe

1 1/2 in Exhaust Flex Pipe For Power Tech Mobile Generator (15-25 kW) PowerTech Mobile Generator 1 1/2 in Exhaust Flex Pipe. This flex pipe is commonly used for 15 - 25 kW generators. The thread size measurement is based on the American National Standard Pipe Thread Standards. The actual outside diameter measurement is 2 1/16 in. PLEASE ALLOW 5-10 BUSINESS DAYS TO SHIP Tech Tip: The purpose of a flex pipe is to absorb the engine's vibrations to prevent breaks in the weld joints of a rigid pipe setup. When installing an exhaust flex pipe, do not try to bend the flex to route a turn in your exhaust. It will result in a broken flex pipe.