The Supersonic Fury Add-on for Rocket League has 6 trophies - 3 bronze, 2 silver and 1 gold.
Win a Season Championship using Dominus in every game
Drive 10 km with the Vortex, Cristiano, or Spinner Wheels
Equip Dominus or Takumi with any Decal, then win a game
Use the Thermal, Burnout, or Nitrous Rocket Boost for a total of 10 minutes
Play a complete game with Dominus or Takumi
Perform a 180 powerslide with Dominus or Takumi