aFe Cat-Back Exhaust 20-26 GM Silverado/Sierra 6.6L Duramax
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$773.00
Regular price
-7%
$826.75
Sale price
$773.00
Heavy & Oversized Item
This item ships by freight. Shipping isn't calculated at checkout — we'll contact you with a freight quote after your order is placed.
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
The aFe POWER Cat-Back Exhaust System (part number 49-44122-B) is engineered as a direct-fit upgrade for the 2020 2500/3500 6.6L Duramax.
This cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing a deep sound. Finishing off this exhaust system is a 5" diameter black 409 stainless steel intercooled clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. This system produces a deep sound unleashing all available horsepower and torque. Utilizing a factory style flange and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. 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.
Vehicle Fitment
- 2020 - 2026 Chevrolet Silverado 2500 HD 6.6L Duramax
- 2020 - 2026 Chevrolet Silverado 3500 HD 6.6L Duramax
- 2020 - 2026 GMC Sierra 2500 HD 6.6L Duramax
- 2020 - 2026 GMC Sierra 3500 HD 6.6L Duramax
Features & Benefits
- Engineered and tested by aFe POWER
- Direct-fit replacement requiring no permanent modification
Specifications
- Brand: aFe POWER
- Manufacturer Part Number: 49-44122-B
- SKU: afe49-44122-B
- Part Type: Cat-Back Exhaust System
Always verify aFe POWER part number 49-44122-B against your vehicle's year, engine, and configuration before ordering.
Shipping Height: 12.5
Shipping Length: 49.5
Shipping Width: 22.3