Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
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 Sierra 2500 HD)Find parts that fit my vehicle
Item HG24185
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
- Max Increases Of 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 An Easy Installation
- Flow FX Straight Through Performance Muffler Delivers A Deep, Aggressive To Moderate Performance Tone And Improves Exhaust Flow
- Fits 2020-2026 6.6L Gas Sierra 2500 HD
| 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 System. The Flowmaster FlowFX Dual Exhaust System with Black Tips; Side Exit enhances the power and sound of your truck by optimizing exhaust flow. Designed for aftermarket improvement, the system balances a moderate performance tone with increased horsepower and torque for stronger performance on the road or the trail.
Construction and Appearance. Crafted entirely from durable 409 stainless steel with mandrel-bent tubing, this exhaust ensures maximum flow and long-lasting durability. It features large black ceramic-coated tips offering a sharp, custom look that blends style with toughness.
Installation. The system is designed for straightforward installation using factory hanger locations and includes all necessary hardware. No drilling or modifications are required, making it an accessible upgrade for enthusiasts to install at home.
Warranty. Backed by a lifetime limited warranty to ensure confidence in quality and performance.
Application. Compatible specifically with 2020-2026 6.6L Gas Sierra 2500 HD models, making it tailored to fit this vehicle range without modifications.
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 (218)
Questions & Answers
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Will It Fit My Sierra 2500
- 6.6L V8 - 20, 21, 22, 23, 24, 25, 26
Designed for a Crew Cab with a 6.90-Foot Standard Box
