Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Gibson 08-10 Hummer H3 Alpha 5.3L 3in Cat-Back Single Exhaust - Stainless

SKU: GIB612801

Exhaust Systems

GIB Cat-Back - Single...

Gibson 08-10 Hummer H3 Alpha 5.3L 3in Cat-Back Single Exhaust - Stainless

SKU: GIB612801

Exhaust Systems

GIB Cat-Back - Single...

A$1,545.44
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.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Gibson most popular exhaust is the one you can trust when you want reliable performance from your vehicle. This single exhaust exits straight out the back, complemented with polished Stainless Tip. Hassle free, bolt-on installation with professional looking results. You can expect to experience gains on average 5-10 horsepower. Backed by a Lifetime Limited Warranty.

Part Type

Exhaust System Kit

Data: v4.2 - Upd: 2026-10-13 16:43:28

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 Round Slash-Cut Tips
  • Stainless Steel Mandrel Bent Tubing
  • Superflow™ CFT Muffler

Specifications

Product Attributes - Brand
Gibson Performance Exhaust
Product Attributes - Manufacturer's Part Number
612801
Product Attributes - Part Type
Exhaust Systems
Product Attributes - Product Line
Gibson Single Exhaust Systems
Product Attributes - UPC
677418020533
Product Attributes - System Material
409 stainless steel
Product Attributes - System Style
Cat-back
Product Attributes - Exhaust Type
Single
Product Attributes - Exit Location
Rear
Product Attributes - System Finish
Aluminized
Product Attributes - Catalytic Converter(s) Included
No
Product Attributes - Intermediate Pipe Diameter (in.)
3.00 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
Steel
Product Attributes - Muffler Finish
Natural
Product Attributes - Hardware Included
Yes
Product Attributes - Tailpipe Diameter (in.)
3.00 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
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 gib612801
SFX Item ID 4083772
Supplier Item Code 4083772
Manufacturer SKU 612801
Manufacturer UPC 677418020533
Alternative References 5.3L, 3in

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 Exhaust System; Stainless; 3.5in. Tubing; 4x9x18in. Oval Body; 3in. Offset In/Offset Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out The Back;50 State Legal / California Emissions Compliant
    RegionUSA
    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 Exhaust System; Stainless; 3.5in. Tubing; 4x9x18in. Oval Body; 3in. Offset In/Offset Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out The Back;50 State Legal / California Emissions Compliant
    RegionUSA
    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 Exhaust System; Stainless; 3.5in. Tubing; 4x9x18in. Oval Body; 3in. Offset In/Offset Outlet; 4in. Polished Slash-Cut Tip; Exit Straight Out The Back;50 State Legal / California Emissions Compliant
    RegionUSA
    Engine VIN CodeL

Loading compatibility information...

Keep shopping

More from Gibson