I only use the Moss carpet kits, but part of that is because I am a distributor.
There are two grades to use; deluxe and OE. The OE is cheaper, and has a pile that most people prefer. The deluxe is more of a "plastic hairs" kind of carpet, rather than loops.
Last year, the OE kits were coming with sill covers and floormats, even though they were advertised as not having those parts.
Both kits have molded tunnels and wheel well pieces for the B