Kia Stinger
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This information is from @nhcowboy28's post on this page: Glossy Black Stinger Lettering
The glossy black lettering can also be round here:
kdmwarehouse.com
"Proper prep and allowing time to cure with this kind of paint is fine. Much more forgiving than automotive paint. Even gone through auto-touchless high pressure car wash."
Prep was minimal (since again, this isn’t automotive paint which would require significantly more effort... sanding, tack cloth, and then wet sanding after... and the badges were new).
Wiped down with rubbing alcohol.
3 light coats of adhesion promoter (20 minutes apart).
Light tack coat of paint.
4 wet (not overly saturated) coats.
All 20 minutes apart.
Allowed to dry for a few hours.
Carefully transferred indoors to cure in humidity controlled room.
Waited 6 days to install.
The glossy black lettering can also be round here:

Factory OEM Kia Stinger 14" Rear Text Badge in Chrome, Black or Carbon FiberGlossy Black
High quality STINGER rear text emblem – 14" wide. Upgrade your Stinger's status with a chrome, glossy black or carbon fiber style Stinger script rear badge. This is the large emblem that replaces the oval badge at the center of the hatch of the South Korean model .

"Proper prep and allowing time to cure with this kind of paint is fine. Much more forgiving than automotive paint. Even gone through auto-touchless high pressure car wash."
Prep was minimal (since again, this isn’t automotive paint which would require significantly more effort... sanding, tack cloth, and then wet sanding after... and the badges were new).
Wiped down with rubbing alcohol.
3 light coats of adhesion promoter (20 minutes apart).
Light tack coat of paint.
4 wet (not overly saturated) coats.
All 20 minutes apart.
Allowed to dry for a few hours.
Carefully transferred indoors to cure in humidity controlled room.
Waited 6 days to install.