The After the Incident Add-on for Trials Fusion has 5 achievements worth 250 gamerscore.
Beat a score of 40,000 on 'Final Frontier' whilst riding the Roach with the Frontier BodyKit
Reach floor 10 on 'The Tower'
Pass all tracks on After the Incident
Complete the 'Lightning Rod' challenge on 'Static Discharge'
Go on all 5 dates with SynDI on After the Incident