SCS 4" CAT and DPF Race Pipes, With OEM 4-Bolt Flange
For 2017, 2018, 2019, 2020, 2021, 2022 6.6L L5P Duramax 2500/3500
Fits Cab/Box Configurations: EC-CC/SB-LB-Dually
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