Allows the engine to use normal fuel mixtures unlike other systems that need richer mixtures that can harm your engine.<br /><br />• Improved efficiency<br /><br />• Cleaner emissions<br /><br /><br /><img src="http://ll.broadbandsports.com/images/38227_thumb.jpg" alt="2011 Super Duty - Diesel Exhaust Fluid" title="2011 Super Duty - Diesel Exhaust Fluid" width="150" height="90" alt="2011 Super Duty - Diesel Exhaust Fluid"/>
