PureFlow R4SBC137 Raptor 4G 150 GPH Fuel Pump 11-14 6.6L GM Duramax LML 2003 Dodge/Ram 5.9L Cummins Throw in a series of

Throw in a series of intercooler tubes and you've got 15% better airflow than your stock system

an amber backlit feature

Makes up to 500+ RWHP and 1100+ ft-lbs of torque

learning the appropriate settings for your particular application from your throttle inputs

Valve Springs are recommended for engines that are pushing over 45psi boost and/or 3200rpm

PureFlow R4SBC137 Raptor 4G 150 GPH Fuel Pump 11-14 6.6L GM Duramax LML 2003 Dodge/Ram 5.9L Cummins Throw in a series ofFeaturing Pureflow's 4G technology, this Raptor 4G can reliably deliver your Duramax engine up to 150 gallons per hour of fuel in a compact and quiet design, all backed by a lifetime guarantee. From the factory, your Duramax is not equipped with a low pressure lift pump. Rather, it puts all of the load on the CP4 injection pump to inevitably "suck" the fuel from the tank. To make matters worse, it has been proven that the move in 2011 to a CP4 from