The size of the housing is 1 7/8" diameter x 1 5/16" long

W x H x D: 4

such as wide whitewall

allowing you to run classic styled mufflers on your Hinckley (modern) Triumph

and will accept a Triumph or British-style gas cap (not included)

Upswept Exhaust Pipe Set 1948-1957 Harley-Davidson Rigid Panhead - Chrome Length_.895" The size of the housingRestoring your rigid Panhead to its original glory requires parts that fit and look correct. This USA made Upswept Exhaust Pipe Set from Gasbox is crafted to provide that authentic, factory look for your vintage Harley Davidson. Authentic Period Style: Designed for restorations, this exhaust pipe set features the correct upswept style for a factory original appearance. Specific Vintage Fitment: This set is made specifically for 1948 1957 Harley