These are polished stainless adapters to allow you to fit any standard 4-bolt SV or TLS/TLR silencer(s) to aftermarket header pipes such as Yoshimura.

They are:
Total length=50mm
Outside diameter of pipe=53mm
Inside diameter of pipe=50mm
Wall thickness=1.5mm
Depth of exhaust flange=5mm
No protruding flange into can
Adjustable Clamp width=20mm
Clamp bolt M8

£60.00 for a pair + P&P

Hdr02(UK)

£30.00 for one + P&P

Hdr01(UK)

etc
£65.50 for a pair + P&P

Hdr02(Oth)

etc
£33.00 for one + P&P