X-can Tune Kit - Own an X-Can? Want to try out some tuning? Here's your chance. This kit includes 2 3" stinger tubes and 2-2" stinger tubes, 2 gaskets and 4 o-rings. With this kit you can try different lengths, try blocking one of them off, restricting one or both, making silencers, or maybe you need a long stinger out of the can to attach to your frame or a silencer. Either way this kit should get you started right away.