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The Gibson 619687 is a cat-back single exhaust system for the 1997–2001 Ford Explorer 4.0L and 1997–2001 Mercury Mountaineer 4.0L. Built with 2.50-inch 409 stainless steel mandrel-bent tubing and Gibson',s SuperFlow chambered muffler, part number 619687 exits straight out the back with a 3-inch polished T304 stainless slash-cut tip. No welding required this is a complete bolt-on system with all factory-style hangers and hardware included. Made in the USA, backed by Gibson',s Lifetime Limited Warranty.
Key Features
- Dyno-tested gains: 10–15 horsepower and 15–20 lb-ft of torque, concentrated in the 1,800–3,000 RPM power band.
- 409 stainless mandrel-bent tubing: Full 2.50-inch diameter maintained through every bend for maximum flow.
- Complete bolt-on installation: Factory-style zinc-plated hangers use existing rubber grommets no welding, no drilling.
- SuperFlow chambered muffler: Baffled and chambered design with no internal packing aggressive sound, minimal interior drone, and nothing to degrade over time.
- Straight-back exit: System exits behind the rear tire at the stock location won't affect tow trailer clearance.
- T304 polished stainless slash-cut tip: 3-inch outlet, clamp-on design, corrosion-resistant finish.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1997-2001 | Ford | Explorer | 4.0L |
| 1997-2001 | Mercury | Mountaineer | 4.0L |
Specifications
| Manufacturer | Gibson |
|---|---|
| Manufacturer Part Number | 619687 |
| Product Type | Catback |
| Fitment Type | Vehicle specific |
| Tubing Diameter | 2.50-in. 409 Stainless mandrel bent tubing. |
| Tip Description | 3in. Polished T304 Stainless, Round, Slash- Cut Tip, Clamp on. |
| Tip Specification | Inlet 2.50 in., Outlet 3 in., L-8 in. |
| Muffler Description | Baffled &, Chambered Design, No internal Packing, Minimal Interior Drone, Aggressive Sound |
| Muffler Dimension | 6 in. Round, 2.50 in. Offset Inlet, 2.50 in. Offset Outlet, L-24 in. |
| Additional Description | Includes all hardware and factory style hangers for easy bolt on installation. |
| Exit Position | Exit Is Straight Out The Back. |
| Footnote | Dual Inlet Muffler, Slip on flange, Will not fit with reload leveling suspension, Will not fit with reload leveling suspension |
| Warranty | Lifetime Limited Warranty |
What's Included
- One new Gibson catback in the exact configuration identified by manufacturer part number 619687
- 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 GIB619687?
Gibson GIB619687 is listed for 1997-2001 Ford Explorer, and 1997-2001 Mercury Mountaineer. 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 GIB619687?
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 GIB619687?
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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