Grieving friends of Jady Turner have been caught on video doing a burnout at the Oakford crash site where the 22-year-old died.
Jady was behind the wheel of an orange Holden Commodore ute that was travelling with a red Ford Falcon on Thomas Road around 6.40am on November 9.
His ute then struck the rear of an oversized truck load, causing him to lose control and collide with a Ford Ranger ute, which was the pilot vehicle of the convoy.
Jady suffered critical injuries and was rushed to Fiona Stanley Hospital where he later died.
"The other two cars were travelling far too fast and didn't have the opportunity to stop because of the speed they were travelling," WA Police Commander Mike Bell said.
"I've actually seen the footage of the impact, which we won't be releasing because it's just too brutal and it is just, it is just shattering to watch that."
Friends and family have visited the crash site over the weekend, leaving flowers and cards.
One group of mourners was captured doing a burnout as they left, leaving a plume of smoke over the road.
It caused traffic to stop as the car sped off.
The driver of the pilot vehicle, a 75-year-old man, sustained serious injures and remains in a stable condition.
The 20-year-old driver of the red Ford Falcon and his 25-year-old male passenger were not injured.
The driver from Parmelia was later charged with dangerous driving causing grievous bodily harm and dangerous driving causing death.
Dwellingup 100, Mighty Jarrah Trail Run named finalist in WA Sport Awards
Young boy dies in Meadow Springs house fire
State Government to fund Coodanup boat ramp upgrade
Locals claim $1m Lotto wins
Double demerits now in force over Christmas period
Firefighters contain and control Furnissdale blaze
Baldivis named as worst car park crash suburb in WA
Mandurah man nearly misses out on $150k Lotto win
Port Kennedy bushfire deliberately lit