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Quantity
1
Description
4.9
38 ratings
5
4
3
2
1
The HP tuner MPVI4 from Dirty Diesel was seamlessly easy to use and the tunes were great- the truck has plenty more power and gained 10mpg and the customer support was spot on didn’t have any down time. I highly recommend Dirty Diesel Customs for all tuning needs
Mark · May 5, 2026
This thing is great. It does so much for so many different engines. Tuning the FICM on my 6.0... And gonna throw a tune on my side by side with it. If your looking into tuning something. Do some research on this thing. Its pretty powerful.
Ryan · April 24, 2026
Had a issue flashing. The teck helped me though with different steps. Thanks truck runs great
Dwayne · May 18, 2026





