# aFe Power 49-04085-P ATLAS DPF-Back Exhaust System for 2017–2018 Chevrolet Silverado 2500 Hd

aFe 49-04085-P - ATLAS DPF-Back Exhaust System  
aFe Atlas Exhaust Systems are constructed out of mandrel bent aluminized steel tubing for maximum flow, increased horsepower and superior torque.

**Key Features:**

-   ATLAS DPF-Back Exhaust System
-   4 in. Tubing
-   Stainless Steel
-   Incl. Tailpipe/6 in. Polished Tip
-   Single Rear Exit

aFe was found in April, 1999. They have a team of experienced engineers that produce high flow, high performance air filters & intake systems for the automotive industry. They also manufacture exhaust systems, intercoolers, turbochargers, programmers, differential covers, transmission pans and throttle body spacers for late model cars, trucks, SUV's.

Brand: aFe Power  
Part Number: 49-04085-P

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2017

CHEVROLET

SILVERADO 2500 HD

Trim: HIGH COUNTRY, LT, LTZ, WT; Engine: 6.6L; Note: Crew Cab w/97.6 in./8 ft. 1.6 in. Bed

2018

CHEVROLET

SILVERADO 2500 HD

Trim: HIGH COUNTRY, LT, LTZ, WT; Engine: 6.6L; Note: Crew Cab w/97.6 in./8 ft. 1.6 in. Bed

2017

CHEVROLET

SILVERADO 3500 HD

Trim: HIGH COUNTRY, LT, LTZ, WT; Engine: 6.6L; Note: Crew Cab w/97.6 in./8 ft. 1.6 in. Bed

2018

CHEVROLET

SILVERADO 3500 HD

Trim: HIGH COUNTRY, LT, LTZ, WT; Engine: 6.6L; Note: Crew Cab w/97.6 in./8 ft. 1.6 in. Bed

2017

GMC

SIERRA 2500 HD

Trim: BASE, DENALI, SLE, SLT; Engine: 6.6L; Note: Crew Cab w/78.8 in./6 ft. 6.8 in. Bed, Crew Cab w/97.6 in./8 ft. 1.6 in. Bed

2018

GMC

SIERRA 2500 HD

Trim: BASE, DENALI, SLE, SLT; Engine: 6.6L; Note: Crew Cab w/78.8 in./6 ft. 6.8 in. Bed, Crew Cab w/97.6 in./8 ft. 1.6 in. Bed

2017

GMC

SIERRA 3500 HD

Trim: BASE, DENALI, SLE, SLT; Engine: 6.6L; Note: Crew Cab w/97.6 in./8 ft. 1.6 in. Bed

2018

GMC

SIERRA 3500 HD

Trim: BASE, DENALI, SLE, SLT; Engine: 6.6L; Note: Crew Cab w/97.6 in./8 ft. 1.6 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 49-04085-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

-   ATLAS DPF-Back Exhaust System for Chevrolet Silverado 2500 Hd
-   49-04085-P fitment
-   aFe Power ATLAS DPF-Back Exhaust System
-   2017–2018 Chevrolet Silverado 2500 Hd ATLAS DPF-Back Exhaust System

## Details

- **Price:** 1364.99 CAD
- **Vendor:** aFe Power
- **Type:** ATLAS DPF-Back Exhaust System
- **Tags:** 2017–2018 Chevrolet Silverado 2500 Hd, 49-04085-P, aFe Power, ATLAS DPF-Back Exhaust System, Exhaust, Performance Intake, Throttle Body, Transmission

## Variants

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

## Images

- aFe Power 49-04085-P ATLAS DPF-Back Exhaust System for 2017–2018 Chevrolet Silverado 2500 Hd

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/afe-power-49-04085-p-atlas-dpf-back-exhaust-system)
> Updated: 2026-10-16