I think the one that you are talking about is in the building where Rally takes you at the beginning of the game. Go into the room with the computer and go to the computer and press A or tap on it. Also it depends how far you got into the game. I hope this is the right one... Its old...
You can race on the old highway and you need to escape from Trudge in the sector security part
First you need to unlock your duel runner when yiu buy it. then when you have the enginle and cpu, go to the old highway and you can ride
He is in the Satellite: Slum area next to the Old Highway talking to Tetsu Trudge.
Where is the pipeline in yugioh 5d's stardust accelerator
Unfortunately, Power Tool Dragon is not in Stardust Accelerator.
Unfortunately, "Ancient Fairy Dragon" is not available in Stardust Accelerator.
Sell the game or burn it. Stardust Accelerator is only good for the promos.
"Des Feral Imp" is not available in Stardust Accelerator.
you can't the stardust accelerator is yugioh 5ds. Head of exodia is original yugioh
Luck
Summon it in a duel
it is avadable in the crimson crisis pack