LML DST Switch

LML DST Switch


Horsepower control at your fingertips without the need of reflashing the PCM! This switch is to be used to switch your PPEI calibrations “On-The-Fly”. This products requires specific  tuning to go along with the switch.




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PPEI, also known as Power Performance Enterprises, Inc., is led by the business owner and lead calibrator/tuner Kory Willis. PPEI began calibrating/tuning back in 2008, specializing in Diesel Performance but has since expanded into the Gas and Powersports industries. Kory and the team at PPEI have set many world records along with continuing many industry “firsts”. We take pride in knowing that Kory not only prides his work, but also thoroughly enjoys setting expectations high for our team so our customers can have the best products available in the world.