Gibson 77-86 GMC C1500 Base 5.0L 3in Cat-Back Single Exhaust - Stainless

SKU: GIB615566

Exhaust Systems

GIB Cat-Back - Single...

Gibson

Gibson 77-86 GMC C1500 Base 5.0L 3in Cat-Back Single Exhaust - Stainless

SKU: GIB615566

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: 615566
Product Attributes - Part Type: Exhaust Systems
Product Attributes - Product Line: Gibson Single Exhaust Systems
Product Attributes - UPC: 677418001686
Product Attributes - System Material: 409 stainless steel
Product Attributes - System Style: Cat-back
Product Attributes - Exhaust Type: Single
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: Single inlet/Single outlet
Product Attributes - Muffler Style: Baffled and chambered
Product Attributes - Hardware Included: Yes
Product Attributes - Tailpipe Diameter (in.): 2.50 in.
Product Attributes - Tip Included: Yes
Product Attributes - Tip Outlet Size (in.): 3.50
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 Color: 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	gib615566
SFX Item ID	4083814
Supplier Item Code	4083814
Manufacturer SKU	615566
Manufacturer UPC	677418001686
Alternative References	C1500, 5.0L, 3in

Brochures

Compatibility

Application Data

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	U

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Manual
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	U

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	U

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Manual
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	U

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Oldsmobile diesel V8
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	Z

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Oldsmobile diesel V8
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Manual
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	Z

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Oldsmobile diesel V8
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	Z

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Oldsmobile diesel V8
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Manual
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	Z

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	7.4
CID	454
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Stock Single Converter~Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	S

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	7.4
CID	454
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Manual
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Stock Single Converter~Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	S

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	7.4
CID	454
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Stock Single Converter~Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	S

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1979
Engine Type	V8
Liter	7.4
CID	454
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Manual
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Stock Single Converter~Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	S

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	L

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Manual
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	L

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	L

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1978
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Manual
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	L

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	G

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Manual
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	G

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	G

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.0
CID	305
Engine Size	5.0L/305
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Manual
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	G

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	M

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Manual
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	M

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	M

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	5.7
CID	350
Engine Size	5.7L/350
Engine Family	Chevy small block Gen I
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	96.0in, 243.8cm
Transmission	Manual
Drivetrain	RWD
Application Notes	96.0in, 243.8cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	M

Make	CHEVROLET
Model	C10
Submodel	BIG TEN
Beginning Year	1980
Ending Year	1980
Engine Type	V8
Liter	7.4
CID	454
Engine Size	7.4L/454
Engine Family	Chevy big block Mark IV
Body Style	Standard Cab Pickup
Truck Bed Length in. (AAIA)	78.0in, 198.1cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.0in, 198.1cm; Standard Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Offset In/Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant, Stock Single Converter~Universal Kit-Mods May Be Required
Region	USA
Engine VIN Code	W