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Hummer H3 Exhaust System

We have 4 Items In-stock. Select a year to continue.
$322.34 List Price $578.96 Save $256.62 Availability: In Stock
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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
  • SKU#: G27312801
  • Brand: Gibson
  • Fit Note: Aluminized, Exits In Rear Stock Location, Incl. Superflow(TM) CFT Muffler/3 in. Pipes/4 in. Polished Stainless Tip/Hangers/Clamps/Hardware
  • 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
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Fits the following Hummer H3 Years:
  • 2008-2010 | 8 Cyl 5.3L | Alpha
  • 2009 | 8 Cyl 5.3L | Championship Series
$618.99 List Price $801.05 Save $182.06 Availability: In Stock
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FLOWMASTER  – FORCE II EXHAUST SYSTEMS

Flowmaster’s Force II exhaust system is dyno-proven to dramatically increase the power band, giving you more horsepower, torque, fuel economy and a nice mild tone that doesn’t draw too much attention or seem too obnoxious for your daily commute. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Features a mild sound thanks to the use of larger displacement mufflers and resonators
  • 3-year limited warranty for aluminized steel/lifetime warranty for stainless steel
  • Come in aluminized or stainless steel
  • Proven to improve torque, horsepower and gas mileage
  • Mandrel-bent tubing allows for continuous airflow
  • Quick and easy installation
  • Best for daily driver type vehicles
  • Passenger side, split  or driver side exit design
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • SKU#: F13817526
  • Brand: Flowmaster
  • Fit Note: Single
  • Quantity Sold: Assembly
  • Muffler Sound Level: Mild
  • Recommended Use: Performance
  • Advertised Power Gains: Typically 5-7% increase over stock
  • Anticipated Ship Out Time: 2-3 business days
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Fits the following Hummer H3 Years:
  • 2007-2010 | 5 Cyl 3.7L | Base
  • 2007-2009 | 5 Cyl 3.7L | X
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$694.90 List Price $899.28 Save $204.38 Availability: In Stock
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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.

  • SKU#: M6616592
  • Brand: Magnaflow
  • Quantity Sold: Assembly
  • Muffler Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 business days
  • Attachment Style: Bolt/Clamp On
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Fits the following Hummer H3 Years:
  • 2009-2010 | 8 Cyl 5.3L | Alpha
  • 2009 | 8 Cyl 5.3L | Championship Series
$995.99 List Price $1,175.27 Save $179.28 Availability: In Stock
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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
  • SKU#: B25140166
  • Brand: Borla
  • Fit Note: Includes Connecting Pipes/Mufflers/Tips/Mounting Hardware/4 in. Round, 12 in. Long, Single Round Rolled Angle-Cut Tip, Split Rear Exit
  • Quantity Sold: Assembly
  • Muffler Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 2-3 business days
  • Attachment Style: Bolt-on
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Fits the following Hummer H3 Years:
  • 2007-2008 | 5 Cyl 3.7L | Base, X
  • 2006 | 5 Cyl 3.5L | Base