2011 - 2016 GM 6.6L LML Duramax | Engine Tuning by PPEI

CARB EO Pending

PPEI's LML tuning provides 150+ HP gains over stock, towing effortlessly, and increases acceleration drastically. Tuning engineered for optimal efficiency.

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