I installed running boards from EV Base on our Rivian R1T.

Here is my affiliate link for EV Base:
https://www.evbase.com/?sca_ref=46232...

Use code CAMPBOULDER for 20% off.

Rivian Running Boards R1T R1T:
https://bit.ly/3wvy2Fm
Rivian Front Door Side Storage Box:
https://bit.ly/3OYnODH  
Rivian Center Console Organizer:
https://bit.ly/3OYw06Z
Rivian R1T R1S Lower Center Console:
https://bit.ly/4c1wrHI
Explore EVbase Products for RIVIAN and other EVs: https://bit.ly/49sgVCY