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Gibson Dual Sport Black Elite Cat-Back Exhaust - 612001B
The Gibson Dual Sport Black Elite Series Cat-Back Exhaust, part 612001B, is a black ceramic coated performance exhaust for the 2008-2009 Hummer H2 6.2L, dyno-proven for 10-15 hp and 15-20 lb-ft gains.
Key Features
- 2.25 inch mandrel-bent 409 stainless steel tubing for smooth exhaust flow
- 4 inch round slash-cut T-304 stainless tip with a black ceramic finish
- Superflow muffler with a baffled, chambered design and no internal packing
- Dyno-proven 10-15 hp and 15-20 lb-ft gains with peak torque at 1800-3000 rpm
- Clamp-on, bolt-on installation using factory hangers no welding required
- Backed by Gibson's Lifetime Limited Warranty
- System 612001B is purpose-built for the H2 6.2L exhaust routing and hanger layout
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2009 | Hummer | H2 | 6.2L |
Specifications
| Detail | Value |
|---|---|
| Gibson Part Number | 612001B |
| Tubing | 2.25 inch, 409 stainless steel |
| Tip | 4 inch round slash-cut T-304 stainless, black ceramic |
| Muffler | Superflow, baffled and chambered |
| Exit | Behind the rear tire |
| Origin | Made in the USA |
What's Included
- Gibson 612001B cat-back exhaust system
- All hardware, factory-style hangers, and clamps
About Gibson Performance Exhaust
Gibson Performance Exhaust has built mandrel-bent, American-made cat-back exhaust systems for trucks and SUVs for decades, engineering each system for bolt-on installation using factory hangers.
FAQ
Does this require welding to install?
No, it uses a clamp-on, bolt-on installation with factory hangers.
What material is the tubing made from?
It is made from 2.25 inch mandrel-bent 409 stainless steel.
What does the exhaust tip look like?
It has a 4 inch round slash-cut T-304 stainless tip with a black ceramic finish.
What horsepower gains does this provide?
Gibson reports dyno-proven gains of 10-15 hp and 15-20 lb-ft.
Where does the exhaust exit?
It exits straight out the back, behind the rear tire.
What is the warranty on this exhaust?
Gibson backs this system with a Lifetime Limited Warranty.
Is hardware included?
Yes, all hardware, factory-style hangers, and clamps are included.
Is this exhaust made in the USA?
Yes, it is made in the USA.
Installation Instructions
- Raise and safely support the vehicle to access the factory exhaust
- Remove the factory cat-back exhaust section, keeping the factory hangers in place
- Position the Gibson 612001B system and secure it using the factory hangers
- Install the supplied clamps at each connection point without fully tightening
- Align the system for proper clearance, then tighten all clamps
- Start the engine and check for exhaust leaks before driving
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