# aFe Power 49-44147-B Large Bore HD DPF-Back Stainless Exhaust System for 2024-2025 Chevrolet Silverado 2500 Hd and More

### Performance Overview

The aFe Power Large Bore-HD DPF-Back Exhaust System is designed to improve exhaust flow, enhance performance, and deliver an aggressive sound. Built for diesel applications, this high-flow system reduces exhaust gas temperatures, increases horsepower, and optimizes torque output, making it a perfect upgrade for those seeking better efficiency and throttle response. Constructed from mandrel-bent stainless steel tubing, this system ensures maximum durability and uninterrupted exhaust flow, reducing restrictions and improving overall performance. Smooth transition bends minimize turbulence, allowing gases to exit more efficiently while maintaining steady backpressure for optimal power gains. This design not only enhances performance but also contributes to a deeper, more authoritative exhaust tone. To ensure a secure and long-lasting installation, the system features hangers that keep the exhaust stable under high vibration and heat conditions. For those looking to improve power, sound, and efficiency, the aFe Power Large Bore-HD DPF-Back Exhaust System is a premium performance upgrade, delivering enhanced throttle response, long-term durability, and a refined exhaust note built for demanding conditions.

### Key Features

-   Brand: aFe Power
-   Part number: 49-44147-B
-   Product type: Large Bore HD DPF-Back Stainless Exhaust System
-   Designed for the compatible vehicle applications listed on this page

### Vehicle Fitment

-   2024 Chevrolet Silverado 2500 Hd, Note: Custom, High Country, Lt, Ltz, Wt, Zr2; 6.6L; Crew Cab W/82.2 In./6 Ft. 10.2 In. Bed, Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Extended Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed
-   2025 Chevrolet Silverado 2500 Hd, Note: Custom, High Country, Lt, Ltz, Wt, Zr2; 6.6L; Crew Cab W/82.2 In./6 Ft. 10.2 In. Bed, Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Extended Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed
-   2024 Chevrolet Silverado 3500 Hd, Note: High Country, Lt, Ltz, Wt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed
-   2025 Chevrolet Silverado 3500 Hd, Note: High Country, Lt, Ltz, Wt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed
-   2024 Gmc Sierra 2500 Hd, Note: At4, At4X, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/82.2 In./6 Ft. 10.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed
-   2025 Gmc Sierra 2500 Hd, Note: At4, At4X, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed
-   2024 Gmc Sierra 3500 Hd, Note: At4, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed
-   2025 Gmc Sierra 3500 Hd, Note: At4, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 49-44147-B.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Large Bore HD DPF-Back Stainless Exhaust System for Chevrolet Silverado 2500 Hd
-   49-44147-B fitment
-   aFe Power Large Bore HD DPF-Back Stainless Exhaust System
-   2024 Chevrolet Silverado 2500 Hd Large Bore HD DPF-Back Stainless Exhaust System

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2024

Chevrolet

Silverado 2500 Hd

Custom, High Country, Lt, Ltz, Wt, Zr2; 6.6L; Crew Cab W/82.2 In./6 Ft. 10.2 In. Bed, Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Extended Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

2025

Chevrolet

Silverado 2500 Hd

Custom, High Country, Lt, Ltz, Wt, Zr2; 6.6L; Crew Cab W/82.2 In./6 Ft. 10.2 In. Bed, Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Extended Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

2024

Chevrolet

Silverado 3500 Hd

High Country, Lt, Ltz, Wt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

2025

Chevrolet

Silverado 3500 Hd

High Country, Lt, Ltz, Wt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

2024

Gmc

Sierra 2500 Hd

At4, At4X, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/82.2 In./6 Ft. 10.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

2025

Gmc

Sierra 2500 Hd

At4, At4X, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

2024

Gmc

Sierra 3500 Hd

At4, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

2025

Gmc

Sierra 3500 Hd

At4, Denali, Denali Ultimate, Pro, Sle, Slt; 6.6L; Crew Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed, Regular Cab W/98.2 In.(249.5 Mm)/8 Ft. 2.2 In. Bed

## Details

- **Price:** 838.76 CAD
- **Vendor:** aFe Power
- **Type:** Large Bore HD DPF-Back Stainless Exhaust System
- **Tags:** 2024 Chevrolet Silverado 2500 Hd, 2024 Chevrolet Silverado 3500 Hd, 2024 Gmc Sierra 2500 Hd, 2024 Gmc Sierra 3500 Hd, 2025 Chevrolet Silverado 2500 Hd, 2025 Chevrolet Silverado 3500 Hd, 2025 Gmc Sierra 2500 Hd, 2025 Gmc Sierra 3500 Hd, 49-44147-B, aFe Power, AFE-49-44147-B, Air Filter, Air Intake, Auto Parts, Automotive, Diesel Performance, Direct Replacement, Exhaust Performance, Large Bore HD DPF-Back Stainless Exhaust System, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 838.76 CAD | In stock |

## Images

- aFe Power 49-44147-B Large Bore HD DPF-Back Stainless Exhaust System

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/afe-chevrolet-silverado-2500-hd-exhaust-system-49-44147-b)
> Updated: 2026-07-16