The Stage 1 tune is readily downloadable and can be flashed to any 2004-2005 BHW engine code AUTO trans Passat models. It offers an array of features, including EGR Deletion, Removal of Speed Limits, and Left Foot Braking Enabled (ideal for brake boosting). This tune delivers impressive peak boost at 17-18 psi and holds steady at 15 psi to redline. Tune requires free flowing exhaust