Description
Performance Upgrade. The Flowmaster FlowFX Dual Exhaust System with Black Tips side exit enhances exhaust flow to improve horsepower and torque for your truck. Designed for durability and optimal sound, it offers an aggressive yet moderate tone ideal for daily driving while delivering noticeable performance gains.
Construction and Appearance. Made entirely of 409 stainless steel tubing with mandrel bends for maximum flow and longevity, the system includes a Flow FX “straight-through” muffler crafted from the same material. Finished with 4.50-inch black ceramic coated tips that feature a rolled edge and embossed logo, it provides a stylish, high-quality appearance that complements your vehicle.
Installation. This exhaust system installs easily using all factory hanger locations with no drilling required. Complete hardware and factory-style hangers are included for a straightforward, do-it-yourself installation.
Warranty. Backed by a Lifetime Limited Warranty for long-term coverage.
Application. Designed specifically to fit 2020-2026 6.6L Gas Sierra 3500 HD trucks with no noted exclusions or special considerations for this fitment.
Flowmaster 718111
CA Residents: WARNING: Cancer and Reproductive Harm
- 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 Enhances 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
- California Proposition 65 Compliant
- CARB Compliant
- Catalytic Converter Not Included
- Flat Band Clamping Type
- Clamp-On Exhaust Tip Connection
- Angled Exhaust Tip Cut With Rolled Edge
- 304 Stainless Steel Exhaust Tip Material
- Dual Outside Exit Style
- Natural Finish On Pipe And Muffler
- Uses Factory Hangers For Mount Type
- Performance Grade
- Oval Muffler Body Shape With Dimensions 18.00 In Length, 10.00 In Width, 5.00 In Height
- Slip-Fit Muffler Inlet And Outlet Connections
- Moderate Sound Level
- Tail Pipe Quantity Of Two
- Embossed Tip Logo
- Cat-Back Exhaust System Type
- Fits 2020-2026 6.6L Gas Sierra 3500 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 |
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