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May 21, 2025

Josh McCormack joins Chris Ehmke to kick off our UCC 2025 driver interviews! As the official podcast of the Ultimate Callout Challenge, it's time to get to know the drivers. Josh discusses with Chris what he's looking forward to at this years competition. After taking a year off for family, Josh got the itch to...


Apr 25, 2025

First things first, this is Paul Wilson's final episode on the Diesel Performance Podcast. Paul has been hosting this podcast and founded it since it's inception in 2015. Over 2 million downloads and millions of more listens. We can't thank Paul enough for all he's done. Thanks for the 10 years bro, we love you.

Our...


Apr 11, 2025

Paul Wilson and Chris Ehmke get behind the wheel of a 2025 Cummins and let you know how they feel about this 5thish? 6th Gen? Cummins. 

New turbo ✓
Grid Heater... Out, Glow plugs In
External injectors ✓
Side Draft Intake ✓
New 8-speed transmission✓

So how do the boys feel about it? Take a listen!


Mar 27, 2025

No more swapping ECMs, no more plugging in unlock cables. EZ Lynk has the goods where all you do is plug into the OBDII and flash your 2017-2023 L5P Duramax, and the custom tunes will flash without needing to do an unlock or ECM swap! Paul and Chris are joined by Tim Mahoney, the lead tuner at Duramaxtuner, to...


Mar 19, 2025

The little intricacies of what a diesel owner needs and utilizes his truck are something you always have to take into consideration when it comes to building mods and tuning.  How did that come into factor how the custom tuning of a the underpowered L5D come about? What about building the Stealth STR for these very...