It's been around for a few years.
https://www.jeepgladiatorforum.com/forum/threads/what-is-the-purpose-of-this-large-bracket-on-front-passenger-side-area.60919/
Reach out to,
https://www.jeepgladiatorforum.com/forum/threads/diy-hemi-swaps.37265/post-605430
https://www.jeepgladiatorforum.com/forum/threads/hellcat-powered-gladiator-build-by-dynatrac.16193/
Tan interior is nice as it will be cooler than Dark interior since you already have a black vehicle. Make sure the steering box is iron and not aluminum.