Active Autowerke OBD Flash Tune
How: Connect Simon Cable to OBD port and upload your new map (No ECU removal needed).
Pros:- Smooth stock like power delivery
- unlimited number of maps (2 off the shelf maps, 4 free custom maps included with the tune, additional custom map $50 each)
- No hardware installation needed
Cons:
Does not reset flash counter
Price: Starts at $800