PDI 141715895041 Big Boss Compound Twin Turbo Kit for 2010-2020 Cummins ISX15 & X15

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Part #: 141715895041 No Shipping to California
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Installation Instructions

PDI Big Boss Turbos 141715895041 Details

Product Specifics

  • Use of a PDI Big Boss Tuner is Highly Recommended
  • Fits Cummins ISX15 and X15 CM2250 & CM2350
  • Compound Turbo Kit with 1.15AR
  • Mounts Cleanly in Factory Position
  • Maintains Jake Brake Functionality
  • Complete Kit with all Components Needed for Installation
  • Reduced Turbo Lag – Better Throttle Response
  • Supports 550-700 Horsepower
  • Cooler Operating Temperatures
  • Many Drivers Report Fuel Mileage Improvements
  • 1 Year Unlimited Mileage Manufacturer Warranty
  • Pair with a PDI Big Boss Intake Manifold for Maximum Gains


If you own a 2011-2020 Big Rig or Motorhome with a Cummins ISX or X15 engine, you owe it to yourself to experience the dramatic driving improvement that is easily achieved with the PDI Big Boss Cummins ISX Compound Kit. The Performance Diesel Inc. (PDI) Compound Kit comes complete with a second turbo with 1.15AR, brackets, clamps, lines, bolts, air tubes – everything you need. PDI has spent many years developing and refining this kit for performance, ease of installation, cleanliness of mount, and quality of components. Best of all this kit does not alter or negatively affect your factory emissions systems.




* Previously Part # 715895-15.  Cummins X15 Install Kit now Included.


This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
California Proposition 65 Notice
Verify Fitment

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