Here is the full list of all 17 Concept Destruction trophies - there are 2 bronze, 4 silver, 10 gold and 1 platinum.
Get all other trophies
Destroy car "TIFA X/2" using car "ZIP JX"
Survive over 3 minutes in Survival mode
Win the Championship
Drive through one of the goal posts in "The Stadium"
Hit the hidden ball in "The Stadium"
Get to the paint zone in "The Rooftop"
Jump and stay in air for more than 3 seconds
Get out of the arena in "The Bulls"
Get out of the driving area in School
Pick up 5 batteries from other cars (it doesn't need to happen in a single event)
Destroy 3 rival cars in a single event
Drive on the roof in "The Plaza"
Destroy a rival car in Tourism mode
Drive over 5 minutes in Tourism mode
Pass all school lessons
Destroy a rival car