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  1. New
    21000 - 2001-2004 6.6L Duramax LBZ
    $408.00
    FITS: 6.6L GM Duramax trucks (LB7 engines) from 2001 thru 2004   MODULE PERFORMANCE: Up to 90 Horsepower Increase and 1-3 Fuel Savings    WARRANTY: Lifetime
  2. New
    21100 - 2004.5-2010 6.6L Duramax
    $408.00
    FITS: 6.6L GM Duramax trucks (LLY, LBZ, and LMM engines) from 2004.5 thru 2010   MODULE PERFORMANCE: Up to 90 Horsepower Increase and 1-3MPG Fuel Savings    WARRANTY: Lifetime
  3. New
    21200 - 2011-2014 6.6L Duramax LML
    $408.00
    FITS: 6.6L GM Duramax trucks (LML engines) from 2011 thru 2014   MODULE PERFORMANCE: Up to 90 Horsepower Increase and 1-3 Fuel Savings    WARRANTY: Lifetime
  4. New
    21500 - 2015-2016 6.6L Duramax LML
    $408.00
    FITS: 6.6L GM Duramax trucks (LML engines) 2015-2016 models   MODULE PERFORMANCE: Up to 90 Horsepower Increase and 1-3MPG Fuel Savings    WARRANTY: Lifetime
  5. New
    21600 - 2016-2019 2.8L Duramax - Colorado/Canyon
    $408.00
    FITS:  2016-2019 2.8L Duramax Colorado and Canyon Trucks   MODULE PERFORMANCE: Up to 45 Horsepower Increase and 1-3MPG Fuel Savings    WARRANTY: Lifetime
  6. New
    21700 - 2017-2019 GM 6.6L Duramax L5P
    $408.00
    FITS: 2017-2019 6.6L GM Duramax L5P Engine    MODULE PERFORMANCE: Up to 90 Horsepower Increase and 1-3MPG Fuel Savings    WARRANTY: Lifetime
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