These exhausts absolutely FLEW off the shelf and are sadly now out of stock. Restocking in the new year..
Full stainless performance system for the 12V cubs (not tried system on 6V cubs yet)
28mm O/D 25.6mm I/D
2 part system with clamp
Good ground clearance
Fits between foot rest and brake pedal
Comes with fixing kit and exhaust gasket
Nice sounding system, with cone direction to help reduce turbulence.
You can also remove the internal deflector cap if you need a bit more flow