Once you have downloaded the setup file or inserted the software disc into your Windows computer, follow this sequence to install the utility correctly:
Advancing ignition timing too aggressively can cause severe engine knocking (detonation). Advance timing in small, incremental steps of 0.5 to 1 degree.
Once you have downloaded the Rextor Pro Drag 2 software, follow these steps for installation: 1. Installation Steps
"Smart Drag Optimization" (SDO)
Click the button in the software interface. A green status indicator or status bar will confirm a successful handshake, allowing you to read or write maps safely. Important Safety and Tuning Precautions
Follow the on-screen installation wizard prompts, choose your preferred installation directory, and click . Step 3: Install USB Interface Drivers