How to Build a 425 WHP Duramax LLY!
10:51
YouTube8020 Automotive
How to Build a 425 WHP Duramax LLY!
Have you ever wanted a 425 WHP Duramax LLY? Well look no further, Jake has you covered. In today’s video, Jake goes over a comprehensive guide on the top four modifications, and supporting modifications, needed to skyrocket your Duramax LLY's horsepower. From a turbo inlet manifold to ECU & TCU tuning, he covers each mod, explaining how they ...
40.9K viewsDec 7, 2023
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