Installation Time
(approx) 2 Hours
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Flowmaster FlowFX Dual Exhaust System with Black Tips; Side Exit (20-26 6.6L Gas Silverado 3500 HD)Find parts that fit my vehicle
Item SHS24408
Our Price
$949.95 each
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$47.50 Available in AT Cash Rewards.
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Fits 2020-2026 GM 2500HD/3500HD 6.6-Liter Gas
- Cat-Back, Dual Side Exit
- Stainless Steel Exhaust System
- Increases Up To 9 Hp And 10 Lb-Ft Over The Stock Exhaust At The Rear Wheels
- 3.50 To Dual 3.00-Inch Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
- 4.50-Inch Black Ceramic Coated Tips Add A Custom Look To The Truck
- Includes Complete Hardware And Factory-Styled Hangers In The Stock Locations For Easy Installation
- Flow Fx “Straight Through” Performance Muffler Delivers A Deep, Aggressive To Moderate Performance Tone And Improves Exhaust Flow
- Uses All Existing Factory Hanger Locations
- Includes Installation Instructions And All Necessary Hardware
- Backed By Lifetime Limited Warranty
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Black, Black Chrome |
| Exhaust Tubing Diameter | 3.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides - After Tire |
| Exhaust Loudness | Aggressive |
Description
Performance Exhaust Upgrade. The Flowmaster FlowFX Dual Exhaust System with Black Tips and Side Exit enhances exhaust flow and sound, delivering increased horsepower and torque. Engineered for those seeking improved performance with a moderate aggressive tone, it efficiently directs exhaust gases out both sides behind the rear wheels for a sporty appearance and optimized output.
Construction and Appearance. Constructed from durable 409 stainless steel with mandrel bent piping, this system maximizes exhaust flow and longevity. It features a Flow FX straight-through absorption muffler and black ceramic coated 4.50-inch rolled edge exhaust tips crafted from 304 stainless steel for a refined, custom look.
Installation. This cat-back exhaust system is designed for straightforward installation using existing factory hanger locations, requiring no cutting or drilling. It comes complete with factory-style hangers and all necessary hardware to allow enthusiasts to install it at home with ease.
Warranty. Backed by a lifetime limited warranty, this product ensures long-term reliability and customer satisfaction.
Application. Specifically engineered for the 2020-2026 6.6L Gas Silverado 2500HD and 3500HD models, providing a direct fit and tailored performance enhancement.
Flowmaster 718111
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) Dual Exhaust System
Tech Guides:
- Best Truck Exhaust Systems: The Complete Buyer's Guide
- Glossary What Are The Best Exhaust Systems? How Exhaust Systems Work
- Top 10 Favorite Exhaust Brands
- The Top 7 Aftermarket Exhaust Choices for Your Daily Driver
- The Best Truck Exhaust Systems for Serious Towing
- Magnaflow vs. Flowmaster: Which Exhaust System Sounds the Best
4.6
Customer Reviews (221)
Questions & Answers
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Will It Fit My Silverado 3500
- 6.6L V8 - 20, 21, 22, 23, 24, 25, 26
Designed for a Crew Cab with a 6.90-Foot Standard Box
