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Choose from three valving options (for the 2
Stop the competition dead in their tracks with the Derringer Tuner
Perfect Fit:
Designed as a complete system
Optimized For Use With Exhaust Brake
FASS Dura-Max Diesel Flow Enhancer Lift Pump 01-10 GM 6.6L Duramax DDP LLY-ECO Choose from three valving optionsIts hard to imagine that your Duramax didn't come from the factory with a low pressure lift pump, but its true. It was determined that the CP3 injection pump did an adequate job on its own. Well, if is good enough for you, then maybe it is. However, in stock form, and especially with the addition of even a mild programmer, performance gains are severely limited due to the lack of a lift pump. Cure this issue with the addition of a FASS lift pump! The
