Blowers - Do 45 races with a specific vehicle class.
Car Headlights or Motorcycle Bowls - Do 36 races with a specific vehicle class.
Car Spoilers or Motorcycle Tails - Do 18 races with a specific vehicle class.
Car Stereos or Motorcycle Tanks - Do 27 races with a specific vehicle class.
Exhausts - Do 45 races with a specific vehicle class.
Front Bumpers - Do 9 races with a specific vehicle class.
Front Seats - Do 27 races with a specific vehicle class.
Hoods - Do 36 races with a specific vehicle class.
Intercoolers - Do 45 races with a specific vehicle class.
Post Gauges - Do 27 races with a specific vehicle class.
Rear Bumpers - Do 18 races with a specific vehicle class.
Skirts - Do 9 races with a specific vehicle class.
Steering Wheels - Do 27 races with a specific vehicle class.
Taillights - Do 36 races with a specific vehicle class.
Widebody Kits - Do 45 races with a specific vehicle class.