The Diesel Power Digi PD is a VW TDI Performance power module that increases fuel economy and horsepower in 2004-2006 VW TDI PD engines.<br /><br /><br />Visit Parleys DIesel Performance for all your diesel performance parts needs.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/Thumbnail.Still001.thumbnail.jpg" alt="Diesel Power Digi PD Module Install: 2004 VW Jetta TDI" title="Diesel Power Digi PD Module Install: 2004 VW Jetta TDI" width="150" height="90" alt="Diesel Power Digi PD Module Install: 2004 VW Jetta TDI"/>
