Installation Time
(approx) 3 Hours
Difficulty Level:
Simple installation for anyone.
Installation Guides
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Flowmaster Force II Single Exhaust System with Polished Tip; Rear Exit (21-26 5.3L Yukon)Find parts that fit my vehicle
Item GY11773
Our Price
$779.95 kit
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$39.00 Available in AT Cash Rewards.
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Force II Cat-Back Exhaust System Featuring 3.00-Inch Mandrel-Bent Stainless Steel Tubing
- Super 40 Series Muffler Provides Moderate Sound and Enhanced Performance
- Constructed from 409 Stainless Steel for Durability and Corrosion Resistance
- Tuned Resonator Minimizes Interior Sound and Reduces Drone
- 3.50-Inch Polished Stainless Steel Exhaust Tip for a Custom Appearance
- Flat Band Clamp Connection with Included Clamps and Hardware
- Utilizes Factory Hanger Locations for Easy Installation
- Max Dyno Gains of 6 Horsepower and 7 lb-ft Torque at the Wheels
- Emission Code 5, CARB Compliant; Catalytic Converter Not Included
- Single Rear Exit with Natural Finish
- Fits 2021-2026 5.3L GM Yukon Models
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Single |
| Exhaust Exit Location | Rear - Single |
| Exhaust Loudness | Moderate |
Description
Performance Exhaust Upgrade. The Flowmaster Force II Single Exhaust System with Polished Tip and Rear Exit is engineered to improve exhaust flow and boost engine performance, delivering a moderate sound level. It increases horsepower and torque while maintaining interior comfort by effectively managing exhaust noise. This system is perfect for enthusiasts seeking a performance upgrade that balances sound and drivability.
Construction and Appearance. Made from durable 409 stainless steel, this exhaust system features mandrel-bent 3.00-inch tubing for optimal flow and long-lasting reliability. The Super 40 series muffler offers a balanced sound profile, complemented by a 3.50-inch polished stainless steel tip that adds a sleek, custom look to the vehicle's rear.
Installation. Installation is simplified by utilizing factory hanger locations, and all necessary hardware is included. No drilling or permanent modifications are required, making the system suitable for installation by experienced enthusiasts or professionals.
Warranty. This exhaust system includes a lifetime limited warranty for lasting peace of mind. Application. Specifically designed to fit 21-26 5.3L Yukon.
Flowmaster 817949
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
- Installation Hardware
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
4.7
Customer Reviews (33)
Questions & Answers
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Will It Fit My Yukon
- 5.3L V8 - 21, 22, 23, 24, 25, 26
