Mack

Can you really get more from your diesel just by adding a performance tuner? Believe it! Make more power and torque and save money on fuel.

We offer complete diesel exhaust systems and components like mufflers, resonators and tips in a wide variety of materials from the best manufacturers in the business.

We carry a full line of fuel injection pumps, lift pumps, injectors and injector nozzles. Now you can adjust your fueling to make the power you want for your specific application.

Shop Parley’s Diesel Performance for stock replacement turbos and performance single and twin turbos for Powerstroke, Cummins, and Duramax diesels.

Cool operating temperatures, reduce emissions, make more horsepower and get better fuel mileage with a water methanol injection kit for your diesel.