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Gibson 08-10 Hummer H3 Alpha 5.3L 2.5in Cat-Back Dual Split Exhaust - Stainless

SKU: GIB612701

Exhaust Systems

GIB Cat-Back - Dual Split

Gibson 08-10 Hummer H3 Alpha 5.3L 2.5in Cat-Back Dual Split Exhaust - Stainless

SKU: GIB612701

Exhaust Systems

GIB Cat-Back - Dual Split

A$1,830.46
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 01:31:54

Features

  • Baffled/Chambered Muffler; No Internal Packing
  • Hassle Free Easy Bolt-On Installation
  • 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
612701
Product Attributes - Part Type
Exhaust Systems
Product Attributes - Product Line
Gibson Split Rear Exhaust Systems
Product Attributes - UPC
677418020557
Product Attributes - System Material
409 stainless steel
Product Attributes - System Style
Cat-back
Product Attributes - Exhaust Type
Single in/Dual out
Product Attributes - Exit Location
Split rear
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/Dual 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
2
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 gib612701
SFX Item ID 4083770
Supplier Item Code 4083770
Manufacturer SKU 612701
Manufacturer UPC 677418020557
Alternative References 5.3L, 2.5in

Compatibility

Application Data
  • MakeHUMMER
    ModelH3
    SubmodelALPHA
    Beginning Year2008
    Ending Year2009
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Body StyleSport Utility
    TransmissionAutomatic
    Drivetrain4WD
    Application NotesCat-Back Dual Split Exhaust System; Stainless; 2.5in. Tubing; 7in. Rd Body; 2.75in. Center In/2.5in. Dual Outlet; L-19 in.; 3.5in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeL
  • MakeHUMMER
    ModelH3
    SubmodelALPHA
    Beginning Year2010
    Ending Year2010
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Body StyleSport Utility
    TransmissionAutomatic
    Drivetrain4WD
    Application NotesCat-Back Dual Split Exhaust System; Stainless; 2.5in. Tubing; 7in. Rd Body; 2.75in. Center In/2.5in. Dual Outlet; L-19 in.; 3.5in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeP
  • MakeHUMMER
    ModelH3
    SubmodelCHAMPIONSHIP SERIES
    Beginning Year2009
    Ending Year2009
    Engine TypeV8
    Liter5.3
    CID325
    CC5328
    Engine Size5.3L/325
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Body StyleSport Utility
    TransmissionAutomatic
    Drivetrain4WD
    Application NotesCat-Back Dual Split Exhaust System; Stainless; 2.5in. Tubing; 7in. Rd Body; 2.75in. Center In/2.5in. Dual Outlet; L-19 in.; 3.5in. Polished Slash-Cut Tip; Exit Straight Out Back;50 State Legal / California Emissions Compliant
    RegionUnited States (USA)
    Engine VIN CodeL

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