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  1. 01-04.5 LB7 Performance Parts Discussion
    Has any one used a duramilage brand chip? I am a new duramax owner, but I have had everthing else, cummins, powerstroke, gas, chiped them all with no problems. The thing is I have not hered of any one useing the duramilage to know if it good or not. It sounds great garranted 4 miles to gallon...
  2. 01-04.5 LB7 Performance Parts Discussion
    Okay, so I have an 04 lb7. only thing done to it is some ghetto straight pipe from the guy before me where the pipe changes sizes like three times. that junks about to get replaced with mbrp turbo back exhause. but my real probelm is what to do on a programmer. I dont do much heavy pulling...
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