Dynatech part # 715-44110 via Marken Performance is a Stainless Steel Header system with 1.875" Primary Tubes for the 2014-17 Chevy/GMC 1500 Truck and SUV. It comes with O2 extension cables, triple layer stainless steel gaskets, header bolts, and all installation hardware are included. 5.3L Engine = +24 Horsepower and +25 ft-lbs Torque. 6.2L Engine = +32 Horsepower and +43 ft-lbs Torque. These headers feature 1.875" primary tubes and 2.5" collectors.
Catted and non-catted intermediate sections are also available.