This brought a carbon can co race can,i put it on last night but they say you dont need to clamp it on,all you do is push it on does this sound ok.this is by the exup valve.............wont this leak?

Is there a place for springs to go? Any can I have heard of needs either a clamp or has springs to hold it on.

just phone then up they said i should off had a clamp with it,they are going to send me one.........cheers