Is the bravo one worth upgrading or changing ?

[UKBall]

whats a good tippman 98 barrel to shoot well with

A 98 threaded APEX 2 is quite a nice barrel for anyone using a 98 as it allows you to do many things like shoot round corners.

 

[dfr350]

whats a good tippman 98 barrel to shoot well with

Freak set if you can find a back for a 98. I found a second hand one and it shoots beautifully.