The Stage 2 tune is readily downloadable and can be flashed to any 2003-2005 AMB engine code auto or manual trans (NOT 2002 YEAR AMB!). It offers an array of features, including Emission Deletion,Launch Control / Flat Foot Shift, Removal of Speed Limits, and Left Foot Braking Enabled (ideal for brake boosting). Fuel injector upgrade required as the tune pushes the past the stock fueling limitations. This tune delivers impressive peak boost at 21-22 psi and holds steady at 18 psi to redline. However, it's important to note that this tune mandates a minimum requirement of 91+ octane pump gas, decat, AND 550CC INJECTORS (Part number: 0280158117) SOLD SEPERATLY!