When Super Duty is running in Tow/Haul Mode* the integrated Exhaust Braking System sends exhaust into the engine intake to starve the combustion process and slow the vehicle without generating additional heat in the brakes or transmission.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/38216_thumb.jpg" alt="2011 Ford Super Duty | Exhaust Braking" title="2011 Ford Super Duty | Exhaust Braking" width="150" height="90" alt="2011 Ford Super Duty | Exhaust Braking"/>
