WHAT SETS PDI APART: Established in 2001, Performance Diesel Inc. is a manufacturer of high quality diesel performance products. From the sale to installation, you can count on PDI to provide the very best in customer service and advice. Unlike many competitors, we can install any of our products in our 10 bay, full service diesel repair facility. PDI is dedicated to discovering the best possible combinations of high performance parts and accessories to help you achieve your diesel efficiency and power goals. We are devoted to a continuation of research to provide our customers with the cleanest, smoothest, and most powerful ride available.