Stage 3 AI OBD2 Performance Chip for Fiat | Plug-and-Play Engine Tuning Module +40 HP / +45 TQInject Pure Italian Passion into Your Fiat Small car, big personality. Now, give it the heart of a Scorpion. Your Fiat is the embodiment of funagile, stylish, and full of character. But lets be honest: factory tuning can sometimes make it feel like its had decaf. The 1. 4L MultiAir engines, while brilliant, often suffer from hesitation off the line and a lack of passing power on the highway. The Stage 3 "Competizione" Performance Module is the