Exhaust front pipe size

Previously malcolm_begg wrote:

What dia should the front pipe be where it meets the silencer,I have looked in several books but it does not give this size?It's for a 1962 Norton Dommi 600cc SS.

Thanks Malcolm here is an advert from Classic MotorCycle Spares:-

Product Specification

A pair of fully chromed exhaust pipes suitable for Norton Atlas motorcycles from 1966 on.A lovely quality product, made, chromed and finished in England to the highest standards.Accurate fitment guaranteed, otherwise a full refund will be made - and we will also pay for the return of the pipes.Silencers, brackets and clamps also available.Inlet Size: 1 5/8in CupPipe: 1 3/8inOutlet Size: 1 5/8inPlease note that this is a large heavy item. Consequently shipping outside the UK, particularly outside the EU can be expensive. Of course we are happy to send anywhere, but if your country isn't listed, then please get in touch for a shipping quote.If you have any questions on this product please call us on +44 (0)1793 295014+44 (0)1793 295014 - we will always be pleased to hear from you

Hope this helps.

Mick