Gibson 11-18 Ram 1500 Big Horn 5.7L 2.5in Cat-Back Dual Split Exhaust - Stainless

SKU: GIB66565

Exhaust Systems

GIB Cat-Back - Dual Split

Gibson

Gibson 11-18 Ram 1500 Big Horn 5.7L 2.5in Cat-Back Dual Split Exhaust - Stainless

SKU: GIB66565

Exhaust Systems

GIB Cat-Back - Dual Split

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. Gibson Exhaust Systems decrease backpressure and produce more torque and increased horsepower. Typical gains average of 15-20 horsepower. Stainless dual Tip exit straight out the back. Works with most bumpers, roll pans and trailer hitches. Exhaust sound is louder under towing conditions. Hassle Free bolt- on installation. No welding required. Backed by a Lifetime Limited Warranty.

Part Type

Exhaust System Kit

Data: v4.2 - Upd: 2026-09-29 01:31:40

Features

Baffled/Chambered Muffler; No Internal Packing
Hassle Free Easy Bolt-On Installation
Lifetime Limited Warranty
Minimal Interior Drone - Aggressive Sound
Polished Stainless Steel Slash-Cut Tips
Stainless Steel Mandrel Bent Tubing
Superflow™ Muffler

Specifications

Product Attributes - UPC: 677418021899
Product Attributes - Brand: Gibson Performance Exhaust
Product Attributes - Tip Cut: Slant
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Part Type: Exhaust Systems
Product Attributes - Tip Shape: Round
Product Attributes - Tip Finish: Polished
Product Attributes - Exhaust Type: Single in/Dual out
Product Attributes - Product Line: Gibson Split Rear Exhaust Systems
Product Attributes - System Style: Cat-back
Product Attributes - Tip Included: Yes
Product Attributes - Tip Material: 304 stainless steel
Product Attributes - Tip Quantity: 2
Product Attributes - Exit Location: Split rear
Product Attributes - Muffler Style: Baffled and chambered
Product Attributes - System Finish: Natural
Product Attributes - Inlet Quantity: 1
Product Attributes - Muffler Finish: Natural
Product Attributes - Tip Edge Style: Rolled edge
Product Attributes - System Material: 409 stainless steel
Product Attributes - Muffler Included: Yes
Product Attributes - Muffler Material: 409 stainless steel
Product Attributes - Muffler Quantity: One
Product Attributes - Hardware Included: Yes
Product Attributes - Special Attention: It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
Product Attributes - Muffler Configuration: Single inlet/Dual outlet
Product Attributes - Tip Outlet Size (in.): 4.00
Product Attributes - Tailpipe Diameter (in.): 2.25 in.
Product Attributes - Manufacturer's Part Number: 66565
Product Attributes - Catalytic Converter(s) Included: No
Product Attributes - Intermediate Pipe Diameter (in.): 3.00 in.

Reference Information

Brand Name/s	Gibson
StreetFX SKU	gib66565
SFX Item ID	4083517
Supplier Item Code	4083517
Manufacturer SKU	66565
Manufacturer UPC	677418021899
Alternative References	5.7L, 2.5in

Brochures

Compatibility

Application Data

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	LARAMIE
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	4.7
CID	287
Engine Size	4.7L/287
Engine Family	Mopar next generation V8
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	P

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	4.7
CID	287
Engine Size	4.7L/287
Engine Family	Mopar next generation V8
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	P

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SLT
Beginning Year	2009
Ending Year	2010
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SPORT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SPORT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	67.4
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

Universal	No
Make	DODGE
Model	RAM 1500
Submodel	SPORT
Beginning Year	2009
Ending Year	2009
Engine Type	V8
Liter	5.7
CID	345
Engine Size	5.7L/345
Engine Family	Mopar Hemi Gen III
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	76.3
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 2.25in. Tubing; 4x9x18in. Oval Body; 3in. Center In/2.25in. Dual Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
Engine VIN Code	T

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Gibson 11-18 Ram 1500 Big Horn 5.7L 2.5in Cat-Back Dual Split Exhaust - Stainless

Gibson 11-18 Ram 1500 Big Horn 5.7L 2.5in Cat-Back Dual Split Exhaust - Stainless

Description

Part Type

Features

Specifications

Reference Information

Brochures

Compatibility

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