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This Gibson delivers this 2.5-inch cat-back dual split exhaust system designed exclusively for the 2025 Ram 1500 equipped with the 3.0L I6 DOHC engine and factory dual exhaust. This setup cuts backpressure to deliver average gains of 15-20 horsepower and added torque for stronger acceleration and towing power. Black ceramic tips exit straight from the rear integrating seamlessly with factory bumpers for a clean aggressive look and throaty sound that intensifies under load.
Key Features
- Power Gains: Reduces exhaust backpressure for average 15-20 HP and torque increases proven on dyno tests driving noticeable truck performance.
- 2.5-Inch Tubing: Mandrel-bent T-409 stainless steel piping flows exhaust efficiently paired with performance mufflers for deep aggressive tone.
- Black Ceramic Tips: 4-inch dual split rear-exit tips in durable black ceramic finish add bold style straight out the back no bumper modifications needed.
- Ships fully assembled ready for bolt-on install.
- Bolt-on design uses factory hangers and mounts no welding or cutting required.
- T-409 stainless steel tubing and spun mufflers with black ceramic coated 4-inch tips for durability and heat resistance.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2025-2026 | Ram | 1500 | Factory Dual Exhaust, 3.OL I6 DOHC, Crew Cab, Short Bed 5.7", ,Quad Cab, Standard Bed 6.4", |
Specifications
| Manufacturer | Gibson |
|---|---|
| Manufacturer Part Number | 66573B |
| Product Type | Catback |
| Fitment Type | Vehicle specific |
| Tubing Diameter | 2.50-in.409 Stainless mandrel bent tubing. |
| Tip Description | 5in. Black Ceramic Coated T304 Stainless Rolled Slash-Cut Tip. Clamp on. |
| Tip Specification | Inlet 2.50 in., Outlet 5.0 in., L-12 in. |
| Muffler Dimension | 4 x 9 x 13 in. Oval Body, 3.00 in. Center Inlet, 2.5 in. Dual Outlet. |
| Additional Description | Includes all hardware and factory style hangers for easy bolt on installation. |
| Exit Position | Exit Is Straight Out The Back. |
| Footnote | Factory Dual Exhaust |
| Warranty | Lifetime Limited Warranty |
What's Included
- One new Gibson catback in the exact configuration identified by manufacturer part number 66573B
- 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
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- Gibson 07-11 Jeep Wrangler JK Rubicon 3.8L 2.5in Cat-Back Dual Split Exhaust - Black Elite (Ceramic)
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Frequently Asked Questions
Which vehicles fit Gibson GIB66573B?
Gibson GIB66573B is listed for 2025-2026 Ram 1500. 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 GIB66573B?
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 GIB66573B?
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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