HPI's First Brushless Truck! Coming soon from HPI Racing is the ready-to-run E-Firestorm Flux, HPI's first-ever brushless motor equipped 2WD 1/10th scale stadium truck. The E-Firestorm Flux takes the durable E-Firestorm platform to the next level with amazing performance from brushless motor technology. The new Flux Brushless system includes a Flux Warp brushless motor that is controlled by Flux Motiv electronic speed control. Add your own battery pack and you're ready to wheelie and experience the extreme power and efficiency that brushless technology offers.