This is a reproduction exhaust pipe set for 1966-1969 Harley-Davidson Generator Shovelhead FL FLH 74 ci. Contains H-D OEM part numbers 65538-65, 65493-66, and 65443-66. Gasbox exhaust pipe sets are manufactured in Cleveland, Ohio and include all exhaust pipes required for each model. Each system is manufactured true to the originals and is available in raw steel. These USA-made exhausts are the perfect for restoring your vintage Harley-Davidson to it's original condition.