They are known for horrible customer support and not so good products. They keep changing their name slightly everyime their reputation catches up with them.
I did the AdvanBlack....guild quality was fine, but color match was not good, so they had to do it again. 2nd attempt was much closer, but still not spot on.
I’ve had good results with advan black. Vivid black lowers (with speaker pods, extended bags on my 2016 streetglide. So far good on my lowers on my 2020 roadglide in billard red. Just ordered extended saddlebags and stretched fender should be here in January.