NOTE: As of 06/11/24, estimated lead times are 7-9 Weeks unless otherwise noted.
Testing at Fleece performance has shown very strong gains in power and much lower EGTs. Dyno results showed 142hp an...
Turbo outlet (hot side) silicone intercooler replacement boot kit for 03-09 5.9L & 6.7L Dodge Cummins. Consists of one silicone high pressure turbo to intercooler pipe hose and one silicone hig...
NOTE: As of 06/11/24, estimated lead times are 7-9 Weeks unless otherwise noted.
Testing at Fleece performance has shown very strong gains in power and much lower EGTs. Dyno results showed 142hp an...
2003-2004 Mega Rail Apps Bracket
This simple bracket will relocate your factory APPS slightly to allow fitment of the GDP 6.7L Mega-Rail system on the 5.9l applications.
Increased Coolant Flow, Decreased Coolant Temperatures
The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...
The Fleece Performance replacement thermostat housing with auxiliary port is a direct replacement part for model years 1998.5-2007 RAM with 5.9L Cummins and 2013-2018 RAM with 6.7L Cummins. The ...
Introducing our Freedom Series cylinder heads. Each cylinder head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All hea...
Increased Coolant Flow, Decreased Coolant Temperatures
The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...
