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This Gibson 65402 is the Dual Extreme cat-back exhaust system built for the 2007–2010 Cadillac Escalade 6.2L and the 2007–2010 GMC Yukon Denali 6.2L. Three-inch mandrel-bent 409 stainless steel tubing routes to a pair of massive 5-inch polished T-304 stainless round slash-cut tips one exiting behind each rear tire. Part number 65402 is a direct bolt-on with all hardware and factory-style hangers included. No welding required. 50-state legal. Made in the USA. Backed by Gibson',s Lifetime Limited Warranty.
Key Features
- The 65402 uses two 5-inch polished T-304 stainless round slash-cut tips 12 inches long with a 3-inch inlet.
- Three-inch mandrel-bent 409 stainless steel tubing routes to a pair of massive 5-inch polished T-304 stainless round slash-cut tips one exiting behind each rear tire.
- Part number 65402 is a direct bolt-on with all hardware and factory-style hangers included.
- 15–20 HP (dyno tuned and tested).
- Direct Bolt-On — No Welding, All Hardware Included.
- The 5-inch round slash-cut tips are among the largest diameter tips Gibson offers, and they position aggressively behind each rear tire rather than tucked under the bumper.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2007-2010 | Cadillac | Escalade | 1500, 6.2L |
| 2007-2010 | GMC | Yukon | Denali, 6.2L |
Specifications
| Manufacturer | Gibson |
|---|---|
| Manufacturer Part Number | 65402 |
| Product Type | Catback |
| Fitment Type | Vehicle specific |
| Tubing Diameter | 3-in. 409 Stainless mandrel bent tubing. |
| Tip Description | 5in. Polished T304 Stainless Round, Slash- Cut Tip, Clamp on. |
| Tip Specification | Inlet 3 in., Outlet 5 in., L-12 in. |
| Muffler Description | Baffled &, Chambered Design, No internal Packing, Minimal Interior Drone, Aggressive Sound |
| Muffler Dimension | 8 in. Round Body, 3.50 in. Center Inlet, 3.00 in. Dual Outlet, L-24 in. |
| Additional Description | Includes all hardware and factory style hangers for easy bolt on installation. |
| Exit Position | Exits Behind Each Rear Tire. |
| Warranty | Lifetime Limited Warranty |
What's Included
- One new Gibson catback in the exact configuration identified by manufacturer part number 65402
- 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 65677B Black Elite Cat-Back Dual Split Exhaust – 2015-2020 Cadillac Escalade ESV / GMC Yukon XL Denali 6.2L – Black Ceramic Tips
- Gibson 07-10 Cadillac Escalade ESV Base 6.2L 2.5in Cat-Back Dual Extreme Exhaust - Aluminized
- Gibson 14-19 Cadillac Escalade Base 6.2L 3.5in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized
Browse the Gibson collection for related exhaust systems and components.
Frequently Asked Questions
Which vehicles fit Gibson GIB65402?
Gibson GIB65402 is listed for 2007-2010 Cadillac Escalade, and 2007-2010 GMC Yukon. 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 GIB65402?
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 GIB65402?
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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