Gibson 01-06 Chevrolet Silverado 2500 HD LS 6.0L 4in Cat-Back Single Exhaust - Stainless

SKU: GIB615549

Exhaust Systems

GIB Cat-Back - Single...

Gibson

Gibson 01-06 Chevrolet Silverado 2500 HD LS 6.0L 4in Cat-Back Single Exhaust - Stainless

SKU: GIB615549

Exhaust Systems

GIB Cat-Back - Single...

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

Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 10-15 and 15-20lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty.

Part Type

Exhaust System Kit

Data: v4.2 - Upd: 2026-10-13 16:43:27

Features

Baffled/Chambered Muffler; No Internal Packing
Incl. Hardware/Factory Style Hangers For Easy Bolt-On Install
Lifetime Limited Warranty
Minimal Interior Drone - Aggressive Sound
Polished Stainless Steel Slash-Cut Tips
Stainless Steel Mandrel Bent Tubing
Superflow™ Muffler

Specifications

Product Attributes - Brand: Gibson Performance Exhaust
Product Attributes - Manufacturer's Part Number: 615549
Product Attributes - Part Type: Exhaust Systems
Product Attributes - Product Line: Gibson Single Exhaust Systems
Product Attributes - UPC: 677418012644
Product Attributes - System Material: 409 stainless steel
Product Attributes - System Style: Cat-back
Product Attributes - Exhaust Type: Dual in/Single out
Product Attributes - Exit Location: Passenger side
Product Attributes - System Finish: Natural
Product Attributes - Catalytic Converter(s) Included: No
Product Attributes - Intermediate Pipe Diameter (in.): 2.50 in.
Product Attributes - Muffler Included: Yes
Product Attributes - Muffler Quantity: One
Product Attributes - Muffler Configuration: Dual inlet/Single outlet
Product Attributes - Muffler Style: Baffled and chambered
Product Attributes - Muffler Material: 409 stainless steel
Product Attributes - Muffler Finish: Natural
Product Attributes - Hardware Included: Yes
Product Attributes - Inlet Quantity: 2
Product Attributes - Tailpipe Diameter (in.): 4.00 in.
Product Attributes - Tip Included: Yes
Product Attributes - Tip Outlet Size (in.): 5.00
Product Attributes - Tip Quantity: 1
Product Attributes - Tip Shape: Round
Product Attributes - Tip Cut: Slant
Product Attributes - Tip Edge Style: Non-rolled edge, single-wall
Product Attributes - Tip Material: 304 stainless steel
Product Attributes - Tip Finish: Polished
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold as a kit.
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.

Reference Information

Brand Name/s	Gibson
StreetFX SKU	gib615549
SFX Item ID	4083809
Supplier Item Code	4083809
Manufacturer SKU	615549
Manufacturer UPC	677418012644
Alternative References	6.0L, 4in

Brochures

Compatibility

Application Data

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2001
Ending Year	2005
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	BASE
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	8.1
CID	496
Engine Size	8.1L/496
Engine Family	Chevy big block Gen VII
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
Engine VIN Code	G

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LS
Beginning Year	2002
Ending Year	2002
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Manual
Drivetrain	RWD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire
Engine VIN Code	U

Universal	No
Make	CHEVROLET
Model	SILVERADO 2500 HD
Submodel	LT
Beginning Year	2001
Ending Year	2006
Engine Type	V8
Liter	6.0
CID	364
CC	5967
Engine Size	6.0L/364
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.0
Transmission	Automatic
Drivetrain	4WD
Application Notes	Stainless; 4in. Tubing; 8in. Rd Body; 3in. Dual In/4 in. Center Outlet; L-24 in.; 5 in. Polished Round Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant With Stock Dual Inlet Muffler
Engine VIN Code	U

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Gibson 01-06 Chevrolet Silverado 2500 HD LS 6.0L 4in Cat-Back Single Exhaust - Stainless

Gibson 01-06 Chevrolet Silverado 2500 HD LS 6.0L 4in Cat-Back Single Exhaust - Stainless

Description

Part Type

Features

Specifications

Reference Information

Brochures

Compatibility

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