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We Are Die Hard Diesel Service • Repair • Parts
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Product Reviews

  • "Should have done this a long time ago. Can't believe what a difference it makes. My truck has a 4" turbo back exhaust, stock injectors, stock turbo and turbo lag is almost completely gone in the 80hp daily tune. The 120hp race tune is a lot of fun as well. I was skeptical, but actually was able to leave the engine running and place an order with the drive thru tune. Completely satisfied with this product!"
    Daniel C. DP-Tuner F5 Chip
  • "Much better sealing system than factory, gets the EBV out of the way if/when I have to go back in, nice extra oil return spot if needed. Well thought out product."
    Stephen Z. Driven Diesel HPOP Gear Access Cover Kit
  • "Very quality made product. Easy install. Complete nothing else to buy."
    Eric M. Driven Diesel 6.7L Powerstroke Oil Pan

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