Improving The Mileage & Performance Of Today's Diesel Engines. Industry Leader In Adding Power, Torque, And Efficiency To Your Diesel Engine. Quality Service & Parts. High Efficiency …

Tuning is the simplest and most efficient way to unlock the horsepower and fuel economy that you deserve! Because every truck driver’s situation is different, ECM tuning is available in different …

PDI Big Boss™ Products for Cummins N14 engines are built to improve fuel mileage, increase horsepower, and deliver more torque. Tuning, Exhaust Manifolds, Turbos, and other high …

PDI Big Boss™ Tuning and Engine Products for Detroit DD Series engines are built to improve fuel mileage, increase horsepower, and deliver more torque. Available for all trucks with DD13, …

Improving The Mileage & Performance Of Today's Diesel Engines. Industry Leader In Adding Power, Torque, And Efficiency To Your Diesel Engine. Quality Service & Parts. High Efficiency …

PDI Big Boss™ Products for Cummins X15 engines are built to improve fuel mileage, increase horsepower, and deliver more torque. Tuners, Intake Manifolds, Exhaust Manifolds, Turbos, …

Improving The Mileage & Performance Of Today's Diesel Engines. Industry Leader In Adding Power, Torque, And Efficiency To Your Diesel Engine. Quality Service & Parts. High Efficiency …

Tuning is the simplest and most efficient way to unlock the horsepower and fuel economy that you deserve! Because every truck driver’s situation is different, ECM tuning is available in different …

ECM tuning is available for CAT, Cummins, and Detroit engines in a wide-variety of years and applications. Go ahead and add a Big Boss Turbo and Manifold to your engine and you can …

PDI’s BIG BOSS® Performance Tuner brings you industry leading fuel mileage, horsepower, and torque. Simple and Easy to install delivers you results in a matter of minutes! Available for …