Siamese Pipe Set for Pre Unit 650cc Models, Push over 1-5/8" cylinder head stubs , exhaust Outside Diameter 1-3/8" expanded to 1-3/4" at silencer end,

Adapters Available on request to suit Pre Unit T100 500cc Alloy Head with 1-1/2 cylinder Head Stubs  

Use Silencer ARMST8 for Single Down tube Frame models  or ARMST9 for duplex frame models

Use Silencer Clip ARMCLIP178

Made by  Armours in the UK.

We believe our own make pipes are the best available, we use heavy gauge tube to prevent blueing and give long life.