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Now $2,450.00
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Add a Free Magnetic Mount - $50 Value

Add an Optional Y-Splitter Cable

ADD TO CART ($2,450.00)

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Installation Instructions

PDI Big Boss Performance Tuner BIG-BOSS-TUNER Details

The PDI Big Boss Tuner is the ultimate tool to allow big rig and diesel pusher motorhome owners to take control of their vehicle and improve their overall driving experience.  The Big Boss Tuner works on a wide range of heavy duty Cummins, CAT and Detroit engines as well as some Paccar engines. In addition to added power and improved fuel economy, a PDI Tuner gives you access to and control over vital vehicle information. 


Product Specific Features:

  • Tunes 1999 to Current Cummins, 1994 and Newer CAT, Detroit 60 Series and Detroit DD Series Engines
  • Multiple Tunes to Choose from to Add Power and Fuel Mileage
  • Read and Clear Diagnostic Trouble Codes (DTCs)
  • Installation is Simple. All You Need is a Wireless Internet Signal.
  • Display Multiple Vehicle Operating Parameters with the Big Boss Monitor
  • Gauges are Customizable if Desired
  • Emissions Legal in all 50 States - Comes with CARB E.O.
  • WiFi Updates Keep Your Tunes and Features Current Effortlessly
  • Manage Your Diesel Particulate Filter (DPF) with Restriction Test and Manual Regeneration (Cleaning)
  • We Include the PDI Big Boss Tuner Magnetic Mount for Free - a $50 Value and Parley's Diesel Exclusive


The Magnetic Mount allows you to easily and securely place your Big Boss Performance Tuner within the vehicle cab in a position that you choose. The magnet has a super strong hold, and the design allows for quick mounting and releasing. 


This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to
California Proposition 65 Notice
Verify Fitment

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