I have no experience with them, so I have nothing to add as to their quality.
Although, I can't imagine them staying in business very long with their tanks blowing out, right? If a top was ever blown off one these tanks I bet it could shoot right out the side of a vehicle.
UZJ100 (Non-White Edition)
100's in the Hills
"What's that? I can't hear you over my heated seats"-KW