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Boost Builder - Chevy 2001-2004 Duramax 6.6L LB7
Part # 1515940

67.00 USD Add to Cart
Availability: In Stock
  • Get more performance out of your electronically controlled engine
  • Installed in-line with the MAP sensor
  • Increases available boost by intercepting the message to the ECM
  • Prevents setting an over-boost trouble code
  • Access 50-80 horsepower lost by ECM limits


  • 12-Months
  • 12,000 Miles