DURAMAX LB7 DPS5 SWITCH

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2001-2004 LB7 DSP5 Key Features: Not Having To Pullover To Flash A Different Tune, Switching Instantly Between Calibrations. Stock, Economy, Tow, Heavy Haul, Performance At The Tip Of Your Fingers. Valet Mode If You Have An Employee Or Teenager So They Can't Adjust Your Tune Settings. Includes All Items Required For Install. Will Work On Duramax Diesel Engines 2001 - 2004 LB7. Description: What Is DSP5? DSP5 Stands For "Duramax Switch Performance". DSP5 Gives You The Ability To Switch Between 5 Calibrations With The Purchase Of SOTF (Shift On The Fly). This Switch Needs To Be Used With An EFILive Tuner And You Must Have A DSP5 Tune To Use This Switch. Calibrations Not Included. Show more