Description
• Available for the 2011/2012 CHEVY Duramax LML Trucks • 4 Power levels tuned with Emission Systems Intact • Adds up to 81 horsepower in Extreme level • Adds up to 170 lbs-ft of torque in Extreme level • Speed limiter adjustment • Improved horsepower, torque, and drivability • Enhanced throttle response • Installs in minutes with no tools required
