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

66DK-EFI-1

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