Heavy Diesel Tuner HDT-MACKPM Adjustable Power Module for 2008-2013 Mack MP8 & MP7 Engines

Heavy Diesel Tuners adjustable Power Module is where Power Meets Efficiency — Built for Real Truck Work. Boost your fuel economy by 0.8–1.2 MPG on average while adding a massive 60–100 HP to your rig. This isn’t just more power—it’s smarter power across the entire RPM band. Experience stronger low‑end torque that keeps your truck pulling hard without constant downshifting. Say goodbye to turbo lag—our system spools your turbo faster, delivering instant response and smoother acceleration when towing, hauling, or climbing. By building more power in the lower RPM range, you stay out of those fuel‑hungry high revs, saving diesel while dominating the road.

Key Features

• Add 60-100HP
• 08-1.2 MPG Increase
• Multiple Power Levels to Choose From
• Won't Void Your Factory Warranty (Remove the Module Before Service)
• Engineered, Designed and Assembled in the USA
• US-Based Customer Service and Tech Support
• 15-30 minute installation means minimal downtime

Each system comes pre‑programmed with four power‑packed settings, all easily adjustable with our simple push‑button control. No tools, no hassle—just tap, tune, and transform your truck’s performance on the fly.

MP8s offer 4 programs:

• +60HP
• +80HP
• +100HP
• STOCK

MP7s offer 4 programs:

• +40HP
• +60HP
• +80HP
• STOCK

2008-2013.5 Model year trucks have a round data port shown below. Our system does not connect here, this image is simply to help you indentiify which Power Module you need.

If you have a rectangular OBDII port instead, you need this Power Module: Heavy Diesel Tuner HDT-Volvo-14+ Adjustable Power Module for 2014-2024 Volvo D11 and D13 Engines

Note: When ordering, please include your truck's factory horsepower rating. If you do not, we will reach out to you for your horsepower rating.