Who Won Sean or Dom?

Furious 7 (2015) would later reveal that the race between Dom (Vin Diesel) and Sean (Lucas Black) was won by Dom. Han Sung Kang apparently dies when his car explodes due to a fuel leak. However, in Fast & Furious 6 (2013) and Furious 7 (2015), it is revealed that the accident itself had not caused the explosion.

Did Dom let Brian win?

Brian refuses to believe that Dom let him win — Fast Five

And he's literally never been happier... until Roman lets it slip that Dom let off the clutch at the end of the race to let him win.

What happens to Sean Fast and Furious?

Sean and his friends eventually relocated to Germany where they were employed to build rocket engines for the military. During that time, he built a rocket-powered Pontiac Fiero which was used by Dominic Toretto's Crew.