Thought it may be an idea to have a dedicated general discussion/questions thread so as other threads can stay on topic.
HSE2 I've was impressed last year reading up on Gyeon products.
I've seen a couple of Sydney owner cars with this product used.
I looked into them before getting the Sprint but went another way now but having stumbled on this vid gets me curious.
https://www.youtube.com/watch?v=98zWI6NTPsU