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This Gibson Single Side Exhaust fits 2000-2006 Chevrolet Suburban 2500 Base/LS/LT 6.0L, 2002-2006 Avalanche 2500 Base/LS/LT, and 2000-2006 GMC Yukon XL 2500 SLE/SLT. This 3-inch aluminized system boosts acceleration, hill climbing, towing and passing power with dyno-proven 10-15 horsepower and 15-20 lb-ft torque gains at 1800-3000 RPM. It stays quieter inside the cab than other performance exhausts while offering hassle-free bolt-on installation.
Key Features
- Bolt-On Design: Direct fit using factory mounts with no welding or cutting required for professional results.
- Single Side Exit: Positions behind rear tire for better ground clearance and aggressive sound without drone.
- Cab Comfort: Engineered to reduce interior noise levels compared to typical performance exhaust setups.
- Superflow muffler maintains stock-like tone while adding volume under load.
- Complete bolt-on process takes 1-2 hours with basic tools.
- 3-inch diameter 409 aluminized steel for corrosion resistance and strength in heavy-duty applications.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2002-2006 | Chevrolet | Avalanche 2500 | 8.1L |
| 2000-2006 | Chevrolet | Suburban 2500 | 8.1L |
| 2000-2006 | GMC | Yukon XL 2500 | 6.0L |
| 2000-2006 | GMC | Yukon XL 2500 | 8.1L |
Specifications
| Manufacturer | Gibson |
|---|---|
| Manufacturer Part Number | 315531 |
| Product Type | Catback |
| Fitment Type | Vehicle specific |
| Tubing Diameter | 3-in.Aluminized mandrel bent tubing. |
| Tip Description | 3.50in. Polished T304 Stainless, Round Slash- Cut Tip, Clamp on. |
| Tip Specification | Inlet 3in., Outlet 3.5in., L-12in. |
| Muffler Description | Baffled &, Chambered Design, No internal Packing, Minimal Interior Drone, Aggressive Sound |
| Muffler Dimension | 8 in. Round Body, 2.75 in. Dual Inlet, 3 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. |
| Footnote | Minimum welding required, Stock dual inlet muffler |
| Warranty | Lifetime Limited Warranty |
What's Included
- One new Gibson catback in the exact configuration identified by manufacturer part number 315531
- 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.
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Frequently Asked Questions
Which vehicles fit Gibson GIB315531?
Gibson GIB315531 is listed for 2000-2006 Chevrolet Suburban 2500, 2000-2006 GMC Yukon XL 2500, and 2002-2006 Chevrolet Avalanche 2500. 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 GIB315531?
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 GIB315531?
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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