"A glimpse...of Dom and Brian...off screen," he titled the video, which included plenty of candid moments between the two best friends.
The guys are seen joking around while doing press interviews, where they discuss their favorite drink (Blackmills Irish Whiskey) and cars.
Paul's goofy side is on display as he flubs lines while shooting promos and cracks jokes on stage during a screening. But he gets serious when talking about how Vin "shifted perspective" for him when they first began working together.
The 40-year-actor was tragically killed when the Porsche he was a passenger in lost control and crashed in a fiery explosion. The car, driven by his friend Roger Rodas, was going more than 100 mph before it crashed.
"It's a blessing being able to work with your brother on and off screen," Vin concludes the montage. Indeed.