Banks Power 07-10 Chevy/GMC 2500/3500 6.6L Diesel Banks Speedbrake (w/ iDash 1.8) - 61433

The World's First All-Electronic Braking System. Cuts downhill speed up to 78 percent. All automatic, user selectable speed. Simple plug-n-play installation, no cutting or welding required. Extends the service life of your brakes, and does so while maintaining your sanity.