For your engine to make more power, it needs more airflow. Factory air intakes are designed to save space, not maximize airflow robbing valuable horsepower. Solve this problem with one of our...

Four Tunes Available: Hellion Tune - Adds 0HP/0ft/lb TQ (allows use of other aftermarket chip/tuning plus all other functions of Predator apply including diagnostic scanning, rev limiter,...

Performance You Can Feel: The extra power you need when you need it: on the ramp acceleration, on demand passing, towing, through the hills or wherever. Granatelli Motor Sports performance mass...

For your engine to make more power, it needs more airflow. Factory air intakes are designed to save space, not maximize airflow robbing valuable horsepower. Solve this problem with one of our...

For your engine to make more power, it needs more airflow. Factory air intakes are designed to save space, not maximize airflow robbing valuable horsepower. Solve this problem with one of our...

Now there’s a simple plug-in device that makes your automatic overdrive transmission really perform. TransTuner™ increases line pressure and shift firmness, eliminates expensive valve bodywork,...

Performance You Can Feel: The extra power you need when you need it: on the ramp acceleration, on demand passing, towing, through the hills or wherever. Granatelli Motor Sports performance mass...

Adds 50 BHP and 150 FT/LB of torque throughout the entire RPM range. It significantly improves drivability, throttle response and towing. Re-maps the fuel delivery of the diesel injection...

Five Tunes Available: Hellion Tune - Adds 0HP/0ft/lb TQ (allows use of other aftermarket chip/tuning plus all other functions of Predator apply including diagnostic scanning, rev limiter,...

Adds 20-30HP in 4.6L, 5.4L, 5.4L Supercharged and V-10 Ford Trucks and SUVs Exclusive! 300% larger backlit screen Exclusive! Fastest re-tuning times on market Exclusive! Predator...