The current version of the Smarty Jr will not allow you to delete the DPF. A few years back Mads Electronics the makers of the Smarty had there "M.E." version, which stood for Middle East. These had DPF delete capability. Stricter federal mandates and pressure from the EPA forced Mads Electronics to start another company called RaceME. The RaceME lineup is responsible for the DPF delete capable tuners. Smarty/RaceME exclusively focus on the 6.7 Cummins. If you need a DPF delete capable tuner for your 6.7 Cummins checkout what RaceME has to offer. 

RaceME
RaceME Pro
RaceME Ultra

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