AFE's Large Bore 4" DPF Back exhaust system is constructed of 409 stainless steel featuring mandrel bent tubing and a mitered merge collector designed to reduce turbulence while increasing velocity for optimal performance, strength and durability.
This exhaust system utilizes factory style hangers and includes two 5" intercooled exhaust tips with all clamps and hardware needed for a clean and simple installation.
Fitment Note
This exhaust system is designed to fit all crew cab and double cab short and long bed configurations however it is not compatible with vehicles that are equipped with a 5th wheel hitch. Some minor trimming may be required.
Features & Benefits:
- 100% Bolt On Installation
- 4" Mandrel Bent 409 Stainless Steel
- 100% Mig Welded For Strength & Durability
- Includes SS Exhaust Tips, All Clamps & Hardware
- Direct Fit For The 2020-2023 Sierra & Silverado L5P Duramax