Here is the full list of all 32 BAFL - there are Brakes Are For Losers achievements.
So you tried to buy brakes? Loser.
Win a "Too Easy" championship against 7 bots
Win a "Normal" championship against 7 bots
Win a "Too Hard" championship against 7 bots
Win all the races in a "Too Easy" championship against 7 bots
Win all the races in a "Normal" championship against 7 bots
Win all the races in a "Too Hard" championship against 7 bots
Win a race against 7 bots in a "Too Easy" championship
Win a race against 7 bots in a "Normal" championship
Win a race against 7 bots in a "Too Hard" championship
Play a full-human 8-player championship
Duel a friend in a championship without bots
Perform a perfect lap in a championship race
Max out your Speed upgrade
Max out your Adhesion upgrade
Max out your Handling upgrade
Max out your Armour & Repairing upgrades
Win your first flag in a Time Attack challenge
Unlock 3 Time Attack flags on a track
Win your first flag in a Perfect Race challenge
Unlock 3 Perfect Race flags on a track
Unlock all 6 challenge flags on a track
Unlock 3 Time Attack flags on every tracks
Unlock 3 Perfect Race flags on every tracks
Unlock half of the flags
Unlock all the flags
Open the first challenge barrier
Open the second challenge barrier
Hey you found the credits! Awesome.
End up last in a championship against 7 AIs
Win an 8-car race without ever making a pit stop
Run through an entire 8-car race without getting wrecked