Regular price
$808.00
Regular price
-7%
$864.18
Sale price
$808.00
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 Large Bore-HD DPF-Back Exhaust System (part number 49-44126-B) is engineered as a direct-fit upgrade for the GM 6.6L Duramax.
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" Wheelbase
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
- Oversized bore diameter dramatically reduces exhaust backpressure
- Built for towing and heavy-duty diesel use
- Mandrel-bent stainless construction with a bolt-on fit
Specifications
- Brand: aFe POWER
- Manufacturer Part Number: 49-44126-B
- SKU: afe49-44126-B
- Product Line: Large Bore-HD
- Part Type: DPF-Back Exhaust System
- Engine Code: L5P
Always verify aFe POWER part number 49-44126-B against your vehicle's year, engine, and configuration before ordering.
Shipping Height: 12.4
Shipping Length: 48.9
Shipping Width: 22.4