Originally Posted by xr2wishy

well i'll post the contrary, i have had a few flo-flex fitted and not a single problem.
the rest on mine are powerflex and also no issues.
the moulding process is better for powerflex whereas flo-flex used to freeze poly blocks and lathe them up, may have moved on since the early days though.
as said though, no failures as yet, been a few years too.