Fleece Performance 07.5-12 Dodge 6.7L Cummins Coolant Bypass Kit (07.5-15 6.7L) ✨ Newest Formula Optional "True Dual" Cat-Back

Optional "True Dual" Cat-Back

Increase the structural rigidity of the whole axle

the exhaust valves are warrantied for 3 years

and the complete air filter housing with large side and bottom inlets

Fleece Performance 07.5-12 Dodge 6.7L Cummins Coolant Bypass Kit (07.5-15 6.7L) ✨ Newest Formula Optional "True Dual" Cat-BackAnother product from Fleece Performance built out of necessity is the 2003 2013 Cummins Coolant Bypass kit. The Cummins engine cooling system was designed to adequately cool a 300 350hp engine. When the horsepower is increased there is an increased demand on the cooling system. The rear cylinders suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the system,