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THE ONLY DIESEL PERFORMANCE PRODUCT ON THE MARKET THAT PAYS FOR ITSELF WITH 15-20% MILEAGE IMPROVEMENT OVER STOCK!



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Duramax EZTuner Duramileage Programmer is the proven SAFE and PROVEN way to increase your 2003-2010 Duramax diesel’s fuel economy and towing ability without the hype, hazards, and hidden costs associated with most diesel chips. Fits LB7 LLY LBZ LMM 2001-2002 Duramax 6.6L CUSTOMER's ECM Mileage Tuned
2017-2019 Duramax L5P PRO Performance Module Duramax LML 5 MPG Mileage Increase
Duramax 2.8L 5 MPG Mileage Increase Duramax 3.0L 5 MPG Mileage Increase
   
 
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