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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.
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The aFe POWER Large Bore-HD DPF-Back Exhaust System (part number 49-44126-P) 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 polished 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-P
- SKU: afe49-44126-P
- Product Line: Large Bore-HD
- Part Type: DPF-Back Exhaust System
Always verify aFe POWER part number 49-44126-P against your vehicle's year, engine, and configuration before ordering.
Shipping Height: 13.1
Shipping Length: 48.4
Shipping Width: 22.3