DSP4 Switch.
DSP4 Switch.

DSP4 Switch

DSP4-S
DSP4 Tuning is required. This will allow you to quickly switch between tune levels while on the road.

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Customer Reviews

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L
Luke
Seems to work fine but clicks 8 times

It works but I can click it past the fourth spot and starts back to first stage. I have 8 clicks kind of odd. I was hoping it couldn't be turned past the 4th.

WHO IS THE TUNER/CALIBRATOR

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.