Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in Cat-Back Single Exhaust - Stainless

SKU: GIB615630

Exhaust Systems

GIB Cat-Back - Single...

Gibson

Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in Cat-Back Single Exhaust - Stainless

SKU: GIB615630

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 18-21 and 20-22lb-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: 615630
Product Attributes - Part Type: Exhaust Systems
Product Attributes - Product Line: Gibson Single Exhaust Systems
Product Attributes - UPC: 677418027020
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.): 3.50 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 - Muffler Material: 409 stainless steel
Product Attributes - Muffler Finish: Natural
Product Attributes - Hardware Included: Yes
Product Attributes - Tailpipe Diameter (in.): 3.50 in.
Product Attributes - Tip Included: Yes
Product Attributes - Tip Outlet Size (in.): 4.00
Product Attributes - Tip Quantity: 1
Product Attributes - Tip Shape: Round
Product Attributes - Tip Cut: Slant
Product Attributes - Tip Edge Style: Rolled edge
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	gib615630
SFX Item ID	4083849
Supplier Item Code	4083849
Manufacturer SKU	615630
Manufacturer UPC	677418027020
Alternative References	6.2L, 3.5in

Brochures

Compatibility

Application Data

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	HIGH COUNTRY
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	HIGH COUNTRY
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2014
Ending Year	2017
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.9in, 200.4cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	78.9in, 200.4cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2014
Ending Year	2017
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.9in, 200.4cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.9in, 200.4cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2018
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.8in, 200.2cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	78.8in, 200.2cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	CHEVROLET
Model	SILVERADO 1500
Submodel	LTZ
Beginning Year	2018
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.8in, 200.2cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.8in, 200.2cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	DENALI
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	DENALI
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	SLT
Beginning Year	2014
Ending Year	2017
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.9in, 200.4cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	78.9in, 200.4cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	SLT
Beginning Year	2014
Ending Year	2017
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.9in, 200.4cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.9in, 200.4cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	SLT
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	SLT
Beginning Year	2014
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Crew Cab Pickup
Truck Bed Length in. (AAIA)	69.3in, 176.0cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	69.3in, 176.0cm; Crew Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	SLT
Beginning Year	2018
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.8in, 200.2cm
Transmission	Automatic
Drivetrain	4WD
Application Notes	78.8in, 200.2cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

Make	GMC
Model	SIERRA 1500
Submodel	SLT
Beginning Year	2018
Ending Year	2018
Engine Type	V8
Liter	6.2
CID	376
CC	6162
Engine Size	6.2L/376
Engine Family	Chevy small block Gen V
Body Style	Extended Cab Pickup
Truck Bed Length in. (AAIA)	78.8in, 200.2cm
Transmission	Automatic
Drivetrain	RWD
Application Notes	78.8in, 200.2cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3.5in. Tubing; 8x11x24 in. Oval Body; 3.5in. Offset In/ Outlet; 4 in. Polished Slash-Cut Tip; Exit In Stock Location;50 State Legal / California Emissions Compliant
Region	USA
Engine VIN Code	J

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Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in Cat-Back Single Exhaust - Stainless

Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in Cat-Back Single Exhaust - Stainless

Description

Part Type

Features

Specifications

Reference Information

Brochures

Compatibility

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