Matchless G3L & 16MS 350cc 1949/1950 Iron Head with Hairspring Valves , exhaust pipe outside diameter  1-1/2" push in cylinder head.

Use silencer ARMSM1B if rigid with no hanging strap on frame between wheel spindle and gearbox, ARMSM3 if spring frame or rigid with strap

Use silencer clip ARMCLIP158

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.