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A lightweight and expansion controlled design ensures that the Piston With Rings results in a factory performance
155# Cummins 12valve springs
engine will get oil pressure much faster than if the oil is changed at the same time
Requires modified fuel system
a PPE Down Pipe and/or PPE OEM Up-Pipes
2019-2024 Cummins 6.7L 4" Flex Pipe Back Single No Muffler (411029 / 412029) 2018 A lightweight and expansion controlled2019 2024 Cummins 6. 7L 4" Flex Pipe Back Single No Muffler (411029 412029) Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Flo~Pro system. For powerhouse performance, Flo~Pro delivers horsepower you can hear!