This is a big issue for all these techonolgies. I believe they all will work it's just how you size them for sediment loads and flow rates. Some manufacturers try to downsize their competition which looks like it will save your clients money but it's really just not treating the flows and...
In my experience chamber systems offer much more than pipe systems. Designing is easier and more flexible. They're like a modular structure that can be designed at lesser costs since they don't require costly elbow's and T-sections.
Infiltration could be factored into the design of a subsurface...