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increases fuel economy
safer ride
forged steel shift handle and high-strength hardware
exhaust and fuel management upgrades
6L Duramax Allison 1000/2000 Transmissions (128043000)
AirDog R4SBC139 Raptor 4G 150GPH Pump CORE-350 increases fuel economyUpgrade the fuel system in your 2015 2016 GM 6. 6L Duramax with the PureFlow AirDog R4SBC139 Raptor 4G 150GPH Pump. The Raptor 4G improves fuel flow giving you the ability to support fuel system upgrades and other engine modifications. From the factory, your Duramax does not come with a lift pump to supply your engine with fuel. Instead it relies on the CP3 injection pump to pull from the tank. This not only excessive wear on your CP3 pump, but it