[Knestis]

Autopower bars are historically strong (they tend to use bigger tube than is required by most rules), and easy to install. But they are not particularly tight to the bodyshell, which is critical to protecting it from excessive damage if/when the roll does happen. They aren't particularly elegant in their design, or well optimized to provide additional stiffness. Price comparisons between AP and custom cages can be misleading because almost nobody requests that a custom cage be as minimalist as the bolt-in options. Include shipping cost and the choices get even closer. But no - no real issues that I've heard of, like in terms of failures...

K