ECTED- Electronic Controlled Traction Enhancing Differential. Auburns answer to the ultimate traction device. A full time limited slip that silently becomes a full traction locker at any speed at any time. It requires only a single wire for activation making it easy to install, and less likely to have a failure when you most need it. For the price these have alot to offer. Backed by a full 1 year warranty and 4 years of D-REX coverage.