# aFe Power 49-44128-P Large Bore HD DPF-Back Stainless Exhaust System for 2020–2021 Chevrolet Silverado 1500

aFe LARGE Bore HD exhaust systems will greatly improve your vehicle's performance by providing extra horsepower and torque! These outstanding exhaust systems come with laser-cut, mandrel bent stainless steel tubing for increased exhaust flow. The LARGE Bore HD Series also features a free-flowing stainless steel muffler that produces excellent aggressive sound. Plus, aFe LARGE Bore HD exhaust systems utilize the factory mounting locations for simple installation.

**Specs:**

-   Exhaust Type: DPF-Back
-   Exit Location: Single Side Exit
-   Sound: Aggressive / Loud
-   Material: Stainless
-   Tip Finish: Polished
-   Main Tube Diameter: 3"

Advanced Flow Engineering (aFe), Inc. is a trusted manufacturer of high performance air intake systems and filters that have been highly regarded by the automotive industry since 1999. This company has developed products that are ultimately an ideal solution for the most popular vehicle models in the market today. They have created their products using superior quality materials in order for it to last for so many years. aFe products are produced for late model cars, SUVs, and light trucks, and the product line includes fluid filters, cold air intakes, intake manifolds, exhaust systems, programmers, intercoolers, transmission pans, differential covers, and throttle body spacers.  
aFe hires only high skilled and experienced engineers, production people, machinists, and sales people who work hard together on a daily basis to make sure that they generate only progressive and standard exceeding products for the automotive industry. The product line of aFe includes more than 2,500 applications, and all their extremely durable products are designed, developed, and manufactured in California, particularly in Corona. Furthermore, all the long line of aFe products are duly backed with a manufacturers warranty to guarantee a quality unlike any other.

California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.

Brand: aFe Power  
Part Number: 49-44128-P  
UPC: 802959603840

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2020

CHEVROLET

SILVERADO 1500

Trim: HIGH COUNTRY, LT, LTZ, RST; Engine: 3.0L; Note: Crew Cab w/69.9 in/5 ft. 9.9 in. Bed

2021

CHEVROLET

SILVERADO 1500

Trim: HIGH COUNTRY, LT, LTZ, RST; Engine: 3.0L; Note: Crew Cab w/69.9 in/5 ft. 9.9 in. Bed

2020

GMC

SIERRA 1500

Trim: AT4, DENALI, ELEVATION, SLE, SLT; Engine: 3.0L; Note: Crew Cab w/69.9 in/5 ft. 9.9 in. Bed, Crew Cab w/79.4 in./6 ft. 7.4 in. Bed, Extended Cab w/69.9 in./5 ft. 9.9 in. Bed, Extended Cab w/79.4 in/6 ft. 7.4 in. Bed, Regular Cab w/79.4 in./6 ft. 7.4 in. Bed

2021

GMC

SIERRA 1500

Trim: AT4, DENALI, ELEVATION, SLE, SLT; Engine: 3.0L; Note: Crew Cab w/69.9 in/5 ft. 9.9 in. Bed, Crew Cab w/79.4 in./6 ft. 7.4 in. Bed, Extended Cab w/69.9 in./5 ft. 9.9 in. Bed, Extended Cab w/79.4 in/6 ft. 7.4 in. Bed, Regular Cab w/79.4 in./6 ft. 7.4 in. Bed

2022

GMC

SIERRA 1500

Trim: AT4, AT4X, DENALI, DENALI ULTIMATE, ELEVATION, SLE, SLT; Engine: 3.0L; Note: Crew Cab w/69.9 in/5 ft. 9.9 in. Bed, Crew Cab w/79.4 in./6 ft. 7.4 in. Bed, Extended Cab w/69.9 in./5 ft. 9.9 in. Bed, Extended Cab w/79.4 in/6 ft. 7.4 in. Bed, Regular Cab w/79.4 in./6 ft. 7.4 in. Bed

### FAQ

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

**What part number is this?**  
The listed part number is 49-44128-P.

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

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

### Common Searches

-   Large Bore HD DPF-Back Stainless Exhaust System for Chevrolet Silverado 1500
-   49-44128-P fitment
-   aFe Power Large Bore HD DPF-Back Stainless Exhaust System
-   2020–2021 Chevrolet Silverado 1500 Large Bore HD DPF-Back Stainless Exhaust System

## Details

- **Price:** 1364.99 CAD
- **Vendor:** aFe Power
- **Type:** Large Bore HD DPF-Back Stainless Exhaust System
- **Tags:** 2020–2021 Chevrolet Silverado 1500, 49-44128-P, aFe Power, Exhaust, Large Bore HD DPF-Back Stainless Exhaust System, Performance Intake, Throttle Body, Transmission

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1364.99 CAD | In stock |

## Images

- aFe Power 49-44128-P Large Bore HD DPF-Back Stainless Exhaust System for 2020–2021 Chevrolet Silverado 1500

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/afe-power-49-44128-p-large-bore-hd-dpf-back-stainless-exhaust-system)
> Updated: 2026-10-16