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EFI Live (LLY)

EFI Live is probably the best upgrade for your truck.  From mild to wild, we can wake your Duramax LLY up with EFI Llive tuning, awesome power gains, awesome fuel mileage, and easy installs.  Whether you are out to win competitions, sled pulls, tug-a-trucks, drag racing, or just want to have some fun with your friends, our custom EFI Live tuning is exactly what you need for your Duramax LLY!