Testimonials

  • "Never seen a company like this. They provide the best parts and customer service. Stand behind their work. In a league all their own. PDI sets the bar for all else to follow."
    - William Turner
  • "5 stars across the board! Products that make your engine more efficient! Service that goes above and beyond! Knowledgeable staff that know what they're talking about and know what they're selling! How do you beat that? You don't! Keep it up PDI, you got my 5 stars!"
    - Mark Horstmann
  • "I just bought the BIG BOSS TUNER two weeks ago and love it! I'm getting 1 m.p.g better with my C15 Acert! They were and are a very friendly company to work with! They shipped it to me here in PA, overnight. Would love to meet Jared in person!"
    - Timber Traverse
  • "I save 45 minutes in drive time and... $300 per month in fuel savings. It's nice to not work the truck so hard so I have a lot more longevity in the life of the motor." DD15
    - BRAD TRIPLETT Triplett Bros. LLC
  • "PDI diesel treats you like family. They take the time explaining things to you. I had no idea they could make my semi-truck diesel run that strong. If performance is on your mind—as far as I'm concerned—there's nothing like PDI diesel."
    - RALPH CRAIG
  • "Always the best service and fast! I'm very particular about my trucks, PDI is always clean and careful with my trucks."
    - LADD BRINDLEY
  • "PDI installed there twin turbo system on my 550 ISX. I have been so impressed with the power and fuel economy that I have seen so far. The customer service that I have also received after the upgrades has been outstanding. These guys truly stand by there product and ensure customer satisfaction."
    - Tab Hunt

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