2020-2026
2015-2019
2007-2014
2001-2006
Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
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AFE Large Bore-HD 4-Inch DPF-Back Dual Exhaust System with Polished Tips; Side Exit (17-19 6.6L Duramax Sierra 3500 HD)Find parts that fit my vehicle
Item SHG3284
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Our Price
$933.24 kit
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$46.66 Available in AT Cash Rewards.
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Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- AFE Large Bore-HD DPF-Back Dual Exhaust System
- Polished Steel Finish
- Tubing Diameter of 4-Inches
- Includes Polished 5-Inch Tips
- Dual Side Exit Model
- Mandrel Bent
- Maximum Flow
- Low Turbulence
- Increased Horsepower and Torque
- Limited 2-Year Warranty
- Fits 2017 - 2019 6.6L Duramax GMC Sierra 3500 HD Models
| Brand | AFE |
| Exhaust System Type | DPF Back |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 4.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Passenger Side - After Tire |
| Exhaust Loudness | Moderate |
Description
Improved Performance. Made for the GMC Sierra 3500 HD, this AFE Large Bore-HD DPF-Back Dual Exhaust System offers improved performance for your vehicle. Using its mandrel-bent dual-side exit design, this exhaust system has maximum airflow that increases your engine’s horsepower and torque.
Installation. Putting this AFE Large Bore-HD DPF-Back Dual Exhaust System on your ride is moderately easy and requires no drilling.
Application. This AFE Large Bore-HD DPF-Back Dual Exhaust System fits 2017 - 2019 6.6L Duramax GMC Sierra 3500 HD models.
AFE 49-44086-P
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Exhaust Assembly
- (2) Tips
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4.6
Reviews of AFE Exhaust Products (500+)
Questions & Answers
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Will It Fit My Sierra 3500
- 6.6L V8 Duramax - 17, 18, 19
Designed for Crew Cab Models
