1.5, 2.0, and whatever the v6 is.
They are in the construction phase of preparing to manufacture the IPU, the case that surrounds the battery in Honda BEVs.
There is a HondaPro Jason video on YouTube where he is at the AWE facility. While talking with one of AWEs people, he asked about the valve. She explicitly stated that the valve is strictly for back pressure. It does not modify sound or performance, according to AWE. I'd tend to believe that, as...