PPEI Engine Tuning PP-LML-ET | 2011 - 2016 Duramax 6.6L LML

PPEI Engine Calibration for 2011–2016 LML Duramax (CARB EO Pending)

Unlock Up to +150 HP of Proven Power

PPEI’s LML Duramax tuning delivers unmatched performance gains and refined drivability for your 2011–2016 Duramax. Engineered for optimal efficiency, this calibration adds up to +150 horsepower while maintaining factory-like reliability and drivability. Whether towing, daily driving, or performance cruising, PPEI tuning transforms your truck’s response, acceleration, and power delivery.

Key Features

• Massive Power Gains: Adds up to +150 HP over stock power levels.
• Effortless Towing: Improved torque and throttle control for confident hauling under load.
• Drastically Improved Acceleration: Sharper throttle response and reduced turbo lag.
• Optimized Efficiency: Calibrated for maximum performance and fuel economy balance.
• Refined Daily Drivability: Smooth power delivery without sacrificing reliability.

Power Levels

• Level 1: +30 HP
• Level 2: +60 HP
• Level 3: +100 HP
• Level 4: +120 HP
• Level 5: +150 HP

Compliance Note

CARB EO Pending — PPEI tuning is designed with emissions compliance in mind. Pending California Air Resources Board approval for street use in all 50 states.

Experience PPEI Performance

Upgrade your LML Duramax with PPEI Engine Calibration and experience powerful acceleration, effortless towing, and optimal efficiency — all backed by precision engineering from one of the most trusted names in diesel tuning.