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Gibson

Gibson

Gibson 88-89 GMC C3500 Sierra 7.4L 3in Cat-Back Single Exhaust - Stainless

SKU: GIB615556L

Exhaust Systems

GIB Cat-Back - Single...

Gibson 88-89 GMC C3500 Sierra 7.4L 3in Cat-Back Single Exhaust - Stainless
Gibson

Gibson

Gibson 88-89 GMC C3500 Sierra 7.4L 3in Cat-Back Single Exhaust - Stainless

SKU: GIB615556L

Exhaust Systems

GIB Cat-Back - Single...

A$1,481.65
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

Gibsons best performing exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. Exits behind the rear tire near stock location with a polished Stainless Tip. Dyno tested results have proven increases as much as 32 horsepower and 60ft lbs of increased torque. Hassle free, bolt-on installation with professional looking results.

Part Type

Exhaust System Kit

Data: v4.2 - Upd: 2026-10-13 16:43:23

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
615556L
Product Attributes - Part Type
Exhaust Systems
Product Attributes - Product Line
Gibson Single Exhaust Systems
Product Attributes - UPC
677418001631
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 gib615556L
SFX Item ID 4084085
Supplier Item Code 4084085
Manufacturer SKU 615556L
Manufacturer UPC 677418001631
Alternative References C3500, 7.4L, 3in

Brochures

Compatibility

Application Data
  • MakeCHEVROLET
    ModelC3500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelC3500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelC3500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelC3500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelC3500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelC3500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelK3500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelK3500
    SubmodelCHEYENNE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelK3500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelK3500
    SubmodelSCOTTSDALE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelK3500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeCHEVROLET
    ModelK3500
    SubmodelSILVERADO
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelC3500
    SubmodelSIERRA
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelC3500
    SubmodelSIERRA
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelC3500
    SubmodelSIERRA SLE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelC3500
    SubmodelSIERRA SLE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelC3500
    SubmodelSIERRA SLX
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelC3500
    SubmodelSIERRA SLX
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    DrivetrainRWD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelK3500
    SubmodelSIERRA
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelK3500
    SubmodelSIERRA
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelK3500
    SubmodelSIERRA SLE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelK3500
    SubmodelSIERRA SLE
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelK3500
    SubmodelSIERRA SLX
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionAutomatic
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN
  • MakeGMC
    ModelK3500
    SubmodelSIERRA SLX
    Beginning Year1988
    Ending Year1989
    Engine TypeV8
    Liter7.4
    CID454
    Engine Size7.4L/454
    Engine FamilyChevy big block Mark IV
    Body StyleExtended Cab Pickup
    Truck Bed Length in. (AAIA)96.0in, 243.8cm
    TransmissionManual
    Drivetrain4WD
    Application Notes96.0in, 243.8cm; Extended Cab Pickup; Cat-Back Single Exhaust System; Stainless; 3 in. Tubing; 8 in. Round Body; 3 in. Center Inlet/Center Outlet; L-24 in.; 3.5 in. Polished Slash-Cut Tip; Exit Behind Rear Tire;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeN

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