aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Polished Tips 20 GM Diesel Trucks V8-6.6L

This DPF-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 5" diameter polished 304 stainless steel intercooled clamp-on exhaust tips. The tips features an aFe POWER logo plate riveted on for a unique style. Some cutting may be required, see instruction sheet for further information. Utilizing factory style hangers this system mounts directly to factory mounting locations for a hassle-free installation. A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability. This system fits: Double Cab / Short-Bed - 149.4" Wheelbase, Crew Cab / Short-Bed - 158.9" Wheelbase, Double Cab / Long-Bed - 162.4" Wheelbase, Crew Cab / Long-Bed - 172" Wheelbase
Large Bore-HD 4 IN 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip GM Diesel Trucks 2020 V8-6.6L (td) L5P
GM Diesel Trucks 2020 V8-6.6L (td) L5P

Fitment:
2020ChevroletSilverado 2500 HDHigh Country
2020ChevroletSilverado 2500 HDLT
2020ChevroletSilverado 2500 HDLTZ
2020ChevroletSilverado 2500 HDWT
2020ChevroletSilverado 3500 HDHigh Country
2020ChevroletSilverado 3500 HDLT
2020ChevroletSilverado 3500 HDLTZ
2020ChevroletSilverado 3500 HDWT
2020GMCSierra 2500 HDBase
2020GMCSierra 2500 HDDenali
2020GMCSierra 2500 HDSLE
2020GMCSierra 2500 HDSLT
2020GMCSierra 3500 HDBase
2020GMCSierra 3500 HDDenali
2020GMCSierra 3500 HDSLE
2020GMCSierra 3500 HDSLT
2021ChevroletSilverado 2500 HDCustom
2021ChevroletSilverado 2500 HDHigh Country
2021ChevroletSilverado 2500 HDLT
2021ChevroletSilverado 2500 HDLTZ
2021ChevroletSilverado 2500 HDWT
2021ChevroletSilverado 3500 HDHigh Country
2021ChevroletSilverado 3500 HDLT
2021ChevroletSilverado 3500 HDLTZ
2021ChevroletSilverado 3500 HDWT
2021GMCSierra 2500 HDBase
2021GMCSierra 2500 HDDenali
2021GMCSierra 2500 HDSLE
2021GMCSierra 2500 HDSLT
2021GMCSierra 3500 HDBase
2021GMCSierra 3500 HDDenali
2021GMCSierra 3500 HDSLE
2021GMCSierra 3500 HDSLT