Mack CHN, CXN, CPX, CHU, CXU, Pinnacle, Granite

MP8 Power Tuning Fuel Economy MPG Increase

Start saving time and money now!

Increase your fuel economy .5-1.5 mpg & add an additional 60-120HP!
Your engine will gain both HP and torque through the entire RPM band.

This helps the low end torque to reduce downshifting, increases fuel mileage, and

HDT-VolvoPM system pic
Volvo Harness 2
Volvo OBD2 2014+

2014+ MP8 Power Module


Plug In Adjustable Power module
2014 - 2021 MP8 Engines with EMS3 Computer


(2013/2014 is a slpit year in ECM models, easiest way to determine if you need the 2008-2013.5 unit is to look at your diagnostic connector under your dash. If it is round then you need the 2008-2013.5 HDT-MackMP7/8 unit, if it is rectangular you will need the HDT-MackPM-14+ unit)

This unit plugs into the engine computer and controls injector timing and injected quantities helping the engine with throttle response and lowering the torque curve by spooling the turbocharger faster.

Increase hill pulling speed and decrease downshifts and start saving money today!

True "plug and play" unit which uses factory ecu connectors and will take less than 30min to install.
4 adjustable power setting

+60HP, +80HP, +100Hp & +120HP!

Increased MPG, Throttle Response and Horsepower!

2014+ Mack MP8

ECU Re- Flash Service

Less Maintenance and repair costs!

Help the engine run cleaner and cooler!

Reduce repair down time and profit loss with our custom tune!

This service requires removing the ECU and mailing it to our location, our
standard turn-around time is same day as delivered or 1 day depending on our work load.
Re-programming service requires the removal of the ECU from the side of the engine and shipping it to our facility.
MP8 engine 2