This requires completing difficult runs where timing is less restrictive but precision is mandatory. Use drifting followed by immediate boosting to maintain speed through tight corners.
Use the left stick to pitch your car. Pushing down lifts the nose to gain height/distance, while pushing up dives to reach lower platforms faster. Jet Car Stunts [XBLA][Arcade][Jtag/RGH]
Watch these gameplay guides to master boost timing and air control for the hardest levels: This requires completing difficult runs where timing is
If the first section is too difficult, try the "right-side workaround"—steer right at the first ramp to bypass the rings and land on a higher platform. Achievement Tips Jet Car Stunts [XBLA][Arcade][Jtag/RGH]