This is the only correct model for a 60-67 bus. This one has with the correct curves and fit to replace your one damaged by corrosion. 

Only by using this end pipe will the exhaust gases be discharged correctly and the rear bumper will not be fouled by the exhaust gases. This end pipe is coated in a grey heat-resistant paint which guarantees a long-lasting beautiful finish of the exhaust end. 

The mounting clamp is available in a set under BBT 1001-20.