Black Ops Auto Works is proud to offer the **Gibson Black Elite Cat-Back Exhaust System** as the premium performance upgrade for 2020–2026 Chevrolet Silverado and GMC Sierra 2500/3500 HD models. This 3.5", mandrel-bent stainless steel system features Gibson’s Superflow muffler for a deep, powerful tone and is finished with premium black 5", slash-cut tips that showcase Gibson’s exclusive Black Elite process. The Black Elite series delivers increased flow, improved throttle response, and a bold, murdered-out appearance while maintaining excellent durability for daily and heavy-duty use.
Key Features
- 3.5in Mandrel-Bent Tubing – Maximum flow and performance gains.
- Direct Bolt-On – No cutting or modifications required.
- 5in Black Slash-Cut Tips – Bold, premium appearance.
- Superflow Muffler – Optimized for deep tone and performance.
- Designed for 2020–2026 Chevrolet Silverado and GMC Sierra 2500/3500 HD models.
- Black Ops Auto Works is your trusted authority for premium Gibson exhaust systems.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2020-2026 | Chevrolet | Silverado 2500 HD | 6.6L Crew Cab, Standard Bed |
| 2020-2026 | Chevrolet | Silverado 3500 HD | 6.6L Crew Cab, Standard Bed |
| 2020-2026 | GMC | Sierra 2500 HD | 6.6L Crew Cab, Standard Bed |
| 2020-2026 | GMC | Sierra 3500 HD | 6.6L Crew Cab, Standard Bed |
Specifications
| Manufacturer | Gibson |
|---|---|
| Manufacturer Part Number | 616518B |
| Product Type | Catback |
| Fitment Type | Vehicle specific |
| Tubing Diameter | 3.50-in. 409 Stainless mandrel bent tubing. |
| Tip Description | 5in. Black Ceramic Round, Rolled Slash- Cut Tip, Clamp on. |
| Tip Specification | Inlet 3.5 in., Outlet 5.0 in., L-12 in. |
| Muffler Description | Baffled &, Chambered Design, No internal Packing, Minimal Interior Drone, Aggressive Sound |
| Muffler Dimension | 8 in. Oval Body, 3.5 in. Offset Inlet, 3.5 in. Offset Outlet, L-24 in. |
| Additional Description | Includes all hardware and factory style hangers for easy bolt on installation. |
| Exit Position | Exits Behind Rear Tire. |
| Warranty | Lifetime Limited Warranty |
What's Included
- One new Gibson catback in the exact configuration identified by manufacturer part number 616518B
- Hardware and accessories only when supplied for this exact part number
About Gibson
Gibson develops vehicle-specific and universal exhaust components for street, truck, SUV, and performance applications. Selection and installation requirements remain exact-part-number specific.
Related Gibson Products
- Gibson 20-22 Chevrolet Silverado/GMC Sierra 2500-3500 HD Crew Cab Cat-Back Exhuast - Stainless
- Gibson 11-19 Chevrolet Silverado 2500 HD LT 6.0L 3.5in/3in Cat-Back Dual Sport Exhaust - Black Elite
- Gibson 20-22 Silverado/GMC Sierra 2500 HD 6.6L Crew Cab (Long Bed) Cat-Back Dual Extreme Exhaust
Browse the Gibson collection for related exhaust systems and components.
Frequently Asked Questions
Which vehicles fit Gibson GIB616518B?
Gibson GIB616518B is listed for 2020-2026 Chevrolet Silverado 2500 HD, 2020-2026 Chevrolet Silverado 3500 HD, 2020-2026 GMC Sierra 2500 HD, and 2020-2026 GMC Sierra 3500 HD. Confirm the exact engine, trim, drivetrain, body or cab configuration, exhaust layout, and every application note before ordering.
What should I verify before ordering Gibson GIB616518B?
Match the exact part number, system type, material, finish, tubing and connection diameters, exhaust configuration, package contents, and current manufacturer notes shown in this listing.
What should be checked when installing Gibson GIB616518B?
Verify all interfaces, hanger positions, tip and body clearances, clamp or fastener torque, leak-free operation, and local emissions requirements. Reinspect the system after its first heat cycle.
Installation Instructions
Follow the current Gibson instructions and vehicle service information for this exact part number. Work on a cool exhaust, support the vehicle safely, confirm all interfaces and clearances, align the system before final tightening, test for leaks, and inspect the installation again after the first heat cycle.
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