Heavy Diesel Tuner HDT-Mack-14+ Adjustable Power Module for 2014-2024 Mack MP8 & MP7 Engines

Heavy Diesel Tuner’s adjustable Power Module is where power and efficiency collide—engineered for real‑world truck work. Gain 0.8–1.2 MPG on average while unleashing a hard‑hitting 60–100 HP boost. This isn’t just added muscle—it’s intelligent power delivered across the entire RPM range. Feel the surge of low‑end torque that keeps your truck pulling strong without all the annoying downshifts. Turbo lag becomes a thing of the past as our system spools your turbo faster, giving you instant response and smoother acceleration whether you’re towing, hauling, or climbing. By packing more power into the lower RPMs, you stay out of those fuel‑draining high revs—saving diesel while owning the road.

Key Features

• Add 60-100HP
• 0.8 - 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

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.