# aFe Power 49-44057-B MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit) for 2014-2018 Chevrolet Silverado 1500 and More

### Performance Overview

In recent testing this Mach Force XP exhaust system produced 9 horsepower and 32 lbs. x ft. of torque. This exhaust system is constructed out of mandrel bent, stainless steel and includes MIG welded hangers and OE style band clamps for a simple, leak-free bolt-on installation

### Key Features

-   Brand: aFe Power
-   Part number: 49-44057-B
-   Product type: MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit)
-   Designed for the compatible vehicle applications listed on this page
-   Position: Rear

### Vehicle Fitment

-   2014 Chevrolet Silverado 1500, Position: Rear, Note: High Country, Lt, Ltz, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed
-   2015 Chevrolet Silverado 1500, Position: Rear, Note: High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed
-   2016 Chevrolet Silverado 1500, Position: Rear, Note: Custom, High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed
-   2017 Chevrolet Silverado 1500, Position: Rear, Note: Custom, High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed
-   2018 Chevrolet Silverado 1500, Position: Rear, Note: Custom, High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed
-   2014 Gmc Sierra 1500, Position: Rear, Note: Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed
-   2015 Gmc Sierra 1500, Position: Rear, Note: Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed
-   2016 Gmc Sierra 1500, Position: Rear, Note: Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 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 49-44057-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

-   MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit) for Chevrolet Silverado 1500
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-   aFe Power MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit)
-   Rear MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit)
-   2014 Chevrolet Silverado 1500 MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2014

Chevrolet

Silverado 1500

Rear

High Country, Lt, Ltz, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2015

Chevrolet

Silverado 1500

Rear

High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2016

Chevrolet

Silverado 1500

Rear

Custom, High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2017

Chevrolet

Silverado 1500

Rear

Custom, High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2018

Chevrolet

Silverado 1500

Rear

Custom, High Country, Ls, Lt, Ltz, Ssv, Wt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2014

Gmc

Sierra 1500

Rear

Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2015

Gmc

Sierra 1500

Rear

Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2016

Gmc

Sierra 1500

Rear

Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2017

Gmc

Sierra 1500

Rear

Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

2018

Gmc

Sierra 1500

Rear

Base, Denali, Sle, Slt; 5.3L; Crew Cab W/78.8 In./6 Ft. 6.8 In. Bed, Crew Cab W/78.9 In./6 Ft. 6.9 In. Bed, Extended Cab W/78.8 In./6 Ft. 6.8 In. Bed, Extended Cab W/78.9 In./6 Ft. 6.9 In. Bed

## Details

- **Price:** 2262.27 CAD
- **Vendor:** aFe Power
- **Type:** MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit)
- **Tags:** 2014 Chevrolet Silverado 1500, 2014 Gmc Sierra 1500, 2015 Chevrolet Silverado 1500, 2015 Gmc Sierra 1500, 2016 Chevrolet Silverado 1500, 2016 Gmc Sierra 1500, 2017 Chevrolet Silverado 1500, 2017 Gmc Sierra 1500, 2018 Chevrolet Silverado 1500, 2018 Gmc Sierra 1500, 49-44057-B, aFe Power, AFE-49-44057-B, Air Filter, Air Intake, Auto Parts, Automotive, Diesel Performance, Direct Replacement, Exhaust Performance, MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit), Performance Parts, Rear, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2262.27 CAD | In stock |

## Images

- aFe Power 49-44057-B MACHForce XP Cat-Back Exhaust System - (3in. Stainless Tubing) - (Dual Rear Side Exit)

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/afe-chevrolet-silverado-1500-cat-back-exhaust-49-44057-b)
> Updated: 2026-07-16