aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P

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 black 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" WheelbaseThis Part Fits: Year Make Model Submodel 2021-2026 Chevrolet Silverado 2500 HD Custom 2020-2026 Chevrolet Silverado 2500 HD High Country 2020-2026 Chevrolet Silverado 2500 HD LT 2020-2026 Chevrolet Silverado 2500 HD LTZ 2020-2026 Chevrolet Silverado 2500 HD WT 2024-2026 Chevrolet Silverado 2500 HD ZR2 2020-2026 Chevrolet Silverado 3500 HD High Country 2020-2026 Chevrolet Silverado 3500 HD LT 2020-2026 Chevrolet Silverado 3500 HD LTZ 2020-2026 Chevrolet Silverado 3500 HD WT 2020-2026 GMC Sierra 2500 HD AT4 2024-2026 GMC Sierra 2500 HD AT4X 2020-2021 GMC Sierra 2500 HD Base 2020-2026 GMC Sierra 2500 HD Denali 2024-2026 GMC Sierra 2500 HD Denali Ultimate 2022-2026 GMC Sierra 2500 HD Pro 2020-2026 GMC Sierra 2500 HD SLE 2020-2026 GMC Sierra 2500 HD SLT 2020-2026 GMC Sierra 3500 HD AT4 2020-2021 GMC Sierra 3500 HD Base 2020-2026 GMC Sierra 3500 HD Denali 2024-2026 GMC Sierra 3500 HD Denali Ultimate 2022-2026 GMC Sierra 3500 HD Pro 2020-2026 GMC Sierra 3500 HD SLE 2020-2026 GMC Sierra 3500 HD SLT