AMDP 2003-2009 C4500/5500 Kodiak/TopKick 6.6L Duramax EFILive Custom Tuning

Unlock the true potential of your 6.6L Kodiak Duramax with AMDP’s single-power-level custom EFILive tuning, engineered specifically for the 2003–2009 Chevrolet Kodiak and GMC TopKick C4500/C5500 medium-duty trucks. Available Power Levels: +25 hp – Smooth, reliable daily power increase with improved throttle response and fuel efficiency +50 hp – Noticeable performance gains while maintaining excellent drivability and reliability +100 hp – Aggressive power upgrade for maximum towing capability and strong acceleration Key Benefits: -Significantly improved horsepower and torque across the entire RPM range -Better throttle response and reduced turbo lag -Optimized fuel delivery and injection timing for efficiency and power -Enhanced towing performance with stronger low-end torque