Fly through walls
During the Bonus "High Jump" race, notice when your driver flies through the air and is about to go into the seating area of the stadium, he will hit an invisible wall and falls to the ground, or get caught in the big net. To fly through the seating area and other parts of the stadium, use the following trick. Use the car called the "Trasher" and enter the Highjump stunt. For some reason the Trasher gets you the most air when going off the ramp. Go off the jump ramp and launch as usual, except just before the car leaves the ramp steer slightly to the right. Release Nitro to launch your driver. If you are lucky, he will somehow bypass the invisible wall, fly through the seats, and hit the ground under it. How high you went will be recorded as usual. Also, if you go high enough (over the 100m mark on the ladder) you can see the edge of the map and beyond.