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Exhaust System for 2008 Hummer H2

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Gibson - Dual Sport Cat-Back Exhaust Systems

GIBSON – DUAL SPORT CAT-BACK EXHAUST SYSTEMS

Gibson’s Dual Sport cat-back exhaust system is dyno-proven to dramatically increase the power band in the 2000-4000 RPM range, giving you more horsepower and torque right where you need it – and of course also gives you that great street truck look and sound. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Gives you that street truck style with an aggressive tone
  • Stainless exhausts backed by a lifetime warranty
  • Deep, aggressive sound
  • Patented Superflow technology means dramatically more efficient exhaust flow
  • Comes in aluminized or stainless steel
  • Baffled and chambered design means optimal volumetric efficiency
  • Proven to improve torque and horsepower by as much as 15 hp
  • Mandrel-bent tubing allows for continuous airflow
  • Polished slash style stainless tips feature sleek clampless connection
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Legal in all 50 states
Gibson Exhaust System, Gibson Dual Sport, Stainless Steel, Natural
$528.17 List Price $943.23 Save $415.06 Availability: In Stock
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  • SKU#: G27612001
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate to Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: 8-10 h.p.
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
  • Exit Location: Behind Rear Tire
  • Exit Quantity: Dual
  • Includes: Pipes, zinc-plated factory style hangers, heavy-duty clamps, bolt kit
  • Main Piping Diameter: 2.25 in.
  • Muffler Configuration: Single inlet and dual outlet
  • Muffler Finish: Natural
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Baffled and Chambered
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 4 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 4 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: Two
  • Tip Shape: Round
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • 8 Cyl 6.2L | Base
Gibson Exhaust System, Gibson Dual Sport, Aluminized Steel, Natural
$415.85 List Price $741.12 Save $325.27 Availability: In Stock
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  • SKU#: G2712001
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate to Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: 8-10 h.p.
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
  • Exit Location: Behind Rear Tire
  • Exit Quantity: Dual
  • Includes: Pipes, zinc-plated factory style hangers, heavy-duty clamps, bolt kit
  • Main Piping Diameter: 2.25 in.
  • Muffler Configuration: Single inlet and dual outlet
  • Muffler Finish: Natural
  • Muffler Material: Aluminized steel
  • Muffler Quantity: One
  • Muffler Type: Baffled and Chambered
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 4 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 4.5 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: Two
  • Tip Shape: Round
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • All Engines | All Submodels

Gibson - Swept Side Cat-Back Exhaust Systems

GIBSON – SWEPT SIDE CAT-BACK EXHAUST SYSTEMS

Gibson’s Swept Side cat-back exhaust system is dyno-proven to dramatically increase the power band in the 1800-3000 RPM range, giving you more horsepower, torque, fuel economy and towability with a rich, deep exhaust tone. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Gibson’s most popular, affordable and leading performance exhaust system
  • Stainless steel exhausts backed by a lifetime warranty
  • Patented Superflow technology means dramatically more efficient exhaust flow
  • Optimizes towing power, hill climbing and passability
  • Comes in aluminized or stainless steel
  • Proven to improve torque, horsepower (up to 20 hp) and gas mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Polished stainless tips feature sleek clampless connection
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Legal in all 50 states
Gibson Exhaust System, Gibson Swept Side, Stainless Steel, Natural
$480.48 List Price $853.88 Save $373.40 Availability: In Stock
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  • SKU#: G27612501
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate to Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: 8-10 h.p.
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
  • Exit Location: In Stock Location
  • Exit Quantity: Single
  • Includes: Superflow CFT muffler, head pipe with flange, zinc-plated 0.375-0.5 in. thick factory style hangers, and heavy duty clamps
  • Main Piping Diameter: 3.5 in.
  • Muffler Configuration: Single inlet and outlet
  • Muffler Finish: Natural
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Baffled and Chambered
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 4 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 4 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: One
  • Tip Shape: Round
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • 8 Cyl 6.2L | Base
Gibson Exhaust System, Gibson Swept Side, Aluminized Steel, Natural
$368.13 List Price $652.05 Save $283.92 Availability: In Stock
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  • SKU#: G27312501
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate to Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: 15-20 h.p.
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
  • Exit Location: Near Stock Location
  • Exit Quantity: Single
  • Includes: Superflow CFT muffler, head pipe with flange, zinc-plated 0.375-0.5 in. factory style hangers, and heavy duty clamps
  • Main Piping Diameter: 3.5 in.
  • Muffler Configuration: Single inlet and outlet
  • Muffler Finish: Natural
  • Muffler Material: Aluminized steel
  • Muffler Quantity: One
  • Muffler Type: Baffled and Chambered
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 4 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 4 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: One
  • Tip Shape: Round
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • 8 Cyl 6.2L | Base

Gibson - Dual Extreme Cat-Back Exhaust Systems

GIBSON – DUAL EXTREME CAT-BACK EXHAUST SYSTEMS

Gibson’s Dual Extreme cat-back exhaust system will not only boost your extremist image, but is dyno-proven to dramatically increase your truck’s power with its aggressive style and sound – the most extreme in Gibson’s exhaust line-up. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Gibson’s most aggressively styled exhaust with the most aggressive sound
  • Stainless steel exhausts backed by a lifetime warranty
  • Dual exit style is aggressively angled at the rear wheels for optimal performance and sound
  • Patented Superflow technology means dramatically more efficient exhaust flow
  • Comes in aluminized or stainless steel
  • Proven to improve torque and horsepower (up to 20 hp) as well as mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Polished stainless tips feature sleek clampless connection
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Legal in all 50 states
Gibson Exhaust System, Gibson Dual Extreme, Stainless Steel, Natural
$528.34 List Price $943.23 Save $414.89 Availability: In Stock
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  • SKU#: G27612601
  • Quantity Sold: Assembly
  • Muffler Sound Level: Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: 8-10 h.p.
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
  • Exit Location: Straight out the back
  • Exit Quantity: Dual
  • Includes: Pipes, zinc-plated factory style hangers, heavy-duty clamps, grommet, zip ties
  • Main Piping Diameter: 2.25 in.
  • Muffler Configuration: Single inlet and dual outlet
  • Muffler Finish: Natural
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Baffled and Chambered
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 3.5 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 4 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: Two
  • Tip Shape: Round
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • 8 Cyl 6.2L | Base
Gibson Exhaust System, Gibson Dual Extreme, Aluminized Steel, Natural
$420.07 List Price $741.12 Save $321.05 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
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  • SKU#: G27312601
  • Quantity Sold: Assembly
  • Muffler Sound Level: Aggressive
  • Recommended Use: Performance
  • Advertised Power Gains: 15-20 h.p.
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
  • Exit Location: Straight out the back
  • Exit Quantity: Dual
  • Includes: Pipes, zinc-plated factory style hangers, heavy-duty clamps, grommet, zip ties
  • Main Piping Diameter: 2.25 in.
  • Muffler Configuration: Single inlet and dual outlet
  • Muffler Finish: Natural
  • Muffler Material: Aluminized steel
  • Muffler Quantity: One
  • Muffler Type: Baffled and Chambered
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 3.5 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 4 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: Two
  • Tip Shape: Round
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • 8 Cyl 6.2L | Base

Magnaflow Performance Exhaust Systems

MAGNAFLOW PERFORMANCE EXHAUST SYSTEMS

Over the past 30 years, Magnaflow has grown as a market leader of exhaust systems, focusing on three key elements with each product they produce—quality, power and sound. Magnaflow’s Performance exhaust systems feature stainless steel construction and mandrel bent pipes, allowing for greater fuel economy and improved performance. A full-bodied exhaust note, emblematic of the brand, is achieved through the smooth, lap-joint welded body, tightly packed with acoustical fibers designed to dampen irritating pitch tones.

Magnaflow Exhaust System, Magnaflow Performance, Stainless Steel, Natural
$723.16 List Price $935.86 Save $212.70 Availability: In Stock
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  • SKU#: M6616771
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Exit Location: Rear (Passenger's Side)
  • Exit Quantity: Single
  • Main Piping Diameter: 4 in.
  • Muffler Configuration: Single inlet and outlet
  • Muffler Finish: Polished
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 5 in.
  • Tip Edge Style: Non-rolled
  • Tip Finish: Polished
  • Tip Length: 13 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: 1
  • Tip Shape: Round
  • Warranty: Lifetime Magnaflow limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • 8 Cyl 6.2L | Base
Magnaflow Exhaust System, Magnaflow Performance, Stainless Steel, Natural
$845.67 List Price $1,094.40 Save $248.73 Availability: In Stock
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  • SKU#: M6616772
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Bolt/Clamp On
  • Exit Location: Split rear
  • Exit Quantity: Dual
  • Main Piping Diameter: 3.5 in.
  • Muffler Configuration: Single inlet and dual outlet
  • Muffler Finish: Polished
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 4 in.
  • Tip Edge Style: Rolled
  • Tip Finish: Polished
  • Tip Length: 7.25 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: 2
  • Tip Shape: Round
  • Warranty: Lifetime Magnaflow limited warranty
see more Fits the following 2008 Hummer H2 submodels:
  • 8 Cyl 6.2L | Base

Borla - Performance Exhaust Systems

BORLA – PERFORMANCE EXHAUST SYSTEMS

Borla’s aircraft-grade T-304 stainless steel performance exhaust systems turn your vehicle into a big, bad powerhouse that no one’s going to miss. Exhaust feedback gives man and machine the opportunity to work together to stay in the powerband for an enhanced driving experience. Borla is known as one of the original pioneers of high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Premium aircraft-grade T-304 stainless steel – the best money can buy
  • Come in header-back and cat-back configurations
  • Corrosion-resistant and can withstand salt and all kinds of road grime
  • Offer deep, robust exhaust tones
  • Backed by a million mile warranty
  • Parts are fused together by a tri-gas TIG process – better than welding or crimping
  • Smooth mandrel-bent tubing and consistent pipe diameter mean ideal exhaust flow
  • Easy to install due to precision fitment process
  • Proven to boost acceleration and horsepower
  • Dyno-tested
  • Made in America
  • Direct fit by vehicle year, make and model
Borla Exhaust System, Borla Performance, Stainless Steel, Natural
$1,116.99 List Price $1,318.05 Save $201.06 Availability: In Stock
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  • SKU#: B25140258
  • Quantity Sold: Assembly
  • Muffler Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
  • Exit Location: Split rear
  • Exit Quantity: Single
  • Main Piping Diameter: 3 in.
  • Muffler Finish: Natural
  • Muffler Material: Stainless Steel
  • Muffler Quantity: One
  • Muffler Type: Straight-through
  • System Type: Cat-back
  • Tip Cut: Angle
  • Tip Diameter: 4.25 x 3.25in.
  • Tip Edge Style: Resonated
  • Tip Finish: Polished
  • Tip Length: 12 in.
  • Tip Material: Stainless Steel
  • Tip Quantity: Dual
  • Tip Shape: Oval
see more Fits the following 2008 Hummer H2 submodels:
  • All Engines | All Submodels