Description
Large Bore-HD 3” 409 Stainless Steel DPF-Back Exhaust System – Black Tip for 2020–2022 Chevrolet Silverado & GMC Sierra 1500 Duramax
Enhance your 3.0L Duramax truck with the Large Bore-HD 3” DPF-Back Exhaust System from aFe POWER. Engineered for maximum durability, optimized flow, and aggressive style, this system delivers improved performance while maintaining factory-fit precision.
3” Mandrel-Bent 409 Stainless Steel Construction
Constructed from 3-inch mandrel-bent 409 stainless steel tubing, this exhaust system ensures superior strength, corrosion resistance, and long-lasting durability. Computer-aided design (CAD) guarantees precise, high-tolerance fitment for a seamless, bolt-on installation.
4-1/2” Black Stainless Steel Tip
Finished with a 4-1/2” black 304 stainless steel clamp-on exhaust tip, featuring a laser-etched aFe POWER logo, this system provides an aggressive visual statement while maintaining optimal exhaust flow.
Direct Bolt-On Installation
Using factory-style hangers, the Large Bore-HD system installs directly to OEM mounting points with no cutting or modifications required, making installation straightforward and secure.
Heavy-Duty Interlock Flex Pipe
An integrated interlock flex pipe with internal liner enhances durability, reduces stress from engine movement, and ensures long-term performance under high-heat conditions.
Performance & Efficiency
-
MIG-welded construction for strength and leak-free operation
-
Intercooled tubing reduces exhaust gas temperatures
-
Optimized flow improves throttle response and overall engine performance
Wheelbase Fitment:
-
Crew Cab / Short Bed – 147.4"
-
Extended Cab / Standard Bed – 147.4"
-
Crew Cab / Standard Bed – 157"
Emissions Compliance:
-
CARB EO# not required
Compatible Models:
-
2020–2022 Chevrolet Silverado 1500 Diesel L6 3.0L Duramax
-
2020–2022 GMC Sierra 1500 Diesel L6 3.0L Duramax
Proudly engineered and manufactured in Corona, California, the Large Bore-HD 3” DPF-Back Exhaust System delivers durable construction, aggressive styling, and optimized performance for your Duramax truck.
