Hummer H2 Exhaust System

MAGNAFLOW STAINLESS STEEL CAT-BACK EXHAUST SYSTEM -- 3 In./2.5 in. Tubing O.D. Size, 3 In./3.5 in. Tip O.D. Size, Rear Exit Position, Dual System, Includes 5 in. X 11 in. X 22 in. Muffler And Dual Stainless Steel Oval Tips, Made Of 100% Tough And Durable Stainless Steel, Dyno Tested And Proven To Provide Performance Gains In Horsepower And Torque, Delivers Great Sound With A Smooth And Deep Tone, Built To Last, All Welded, Mandrel Bent, Complies With Most State And Federal Laws, Designed And Tested To Meet Legal Sound Level Limits, Easy To Install, With Magnaflow's Limited Lifetime Warranty

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; 8 Cyl 6.0L; "Gas, FI, Naturally Aspirated, VIN U"

MAGNAFLOW STAINLESS STEEL CAT-BACK EXHAUST SYSTEM -- 3 In./2.5 in. Tubing O.D. Size, 4 in. Tip O.D. Size, Rear Exit Position, Dual System, Includes 5 in. X 11 in. X 22 in. Muffler And Dual Polished Stainless Steel Rectangular Tips, Made Of 100% Tough And Durable Stainless Steel, Dyno Tested And Proven To Provide Performance Gains In Horsepower And Torque, Delivers Great Sound With A Smooth And Deep Tone, Built To Last, All Welded, Mandrel Bent, Complies With Most State And Federal Laws, Designed And Tested To Meet Legal Sound Level Limits, Easy To Install, With Magnaflow's Limited Lifetime Warranty

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; 8 Cyl 6.0L; "Gas, FI, Naturally Aspirated, VIN U"

GIBSON DUAL SPORT CAT-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B. certified; Gains an average power of 10 to 15 h.p.; 3.5 in. main piping diameter, 2.25 in. tail pipe diameter; Exits in rear stock location; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow CFT muffler for better volume efficiency, head pipe with flange, tail pipes, bolt kit for tail pipe, zinc plated 0.375-0.5 in. thick factory style hangers, heavy duty clamps, and dual 4 in. high polished T-304 stainless steel tips with round shape, angle cut, and non-rolled edge design; Features heavy duty aluminized steel mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; Provides a powerful aggressive deep exhaust tone; Dyno tested to assure an increase in horsepower and torque; Improves fuel economy as engine become more fuel efficient; Easy bolt-on installation; With Gibson's limited lifetime warranty.

Fits the following 2007-2009 Hummer H2 submodels:

• 2007-2007: Base; 8 Cyl 6.0L;
• 2008-2009: Base; 8 Cyl 6.2L;

GIBSON SWEPT SIDE CAT-BACK EXHAUST SYSTEM, 409L STAINLESS STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B. certified; Gains maximum torque and horsepower up to 3000 RPM with a deep and aggressive tone; 3.5 in. main piping diameter, 3.5 in. tail pipe diameter; Exits in rear stock location; Single inlet and outlet muffler configuration; Includes fully welded Superflow CFT muffler for better volume efficiency, head pipe with flange, tail pipe, zinc plated 0.375-0.5 in. thick factory style hangers, heavy duty clamps, and single 4 in. high polished T-304 stainless steel tip with round shape, angle cut, and non-rolled edge design; Features heavy duty 409L stainless steel mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; Engineered and dyno-tested to improve acceleration, maximum hill climbing, towing and passing power; Quieter in the cab; Improves fuel economy and efficiency; Heavy duty enough for off-road use; Easy clamp-on installation; With Gibson's limited lifetime warranty.

Fits the following 2007-2009 Hummer H2 submodels:

• 2007-2007: Base; 8 Cyl 6.0L;
• 2008-2009: Base; 8 Cyl 6.2L;

GIBSON DUAL SPORT CAT-BACK EXHAUST SYSTEM, 409L STAINLESS STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B. certified; Gains an average power of 10 to 15 h.p.; 3.5 in. main piping diameter, 2.25 in. tail pipe diameter; Exits in rear stock location; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow CFT muffler for better volume efficiency, head pipe with flange, tail pipes, zinc plated 0.375-0.5 in. thick factory style hangers, heavy duty clamps, bolt kit for tail pipe, and dual 4 in. high polished T-304 stainless steel tips with round shape, angle cut, and non-rolled edge design; Features quality and heavy duty 409L stainless steel mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; Provides a powerful aggressive deep exhaust tone; Dyno tested to assure an increase in horsepower and torque; Improves fuel economy as engine become more fuel efficient; Easy bolt-on installation; With Gibson's limited lifetime warranty.

Fits the following 2007-2009 Hummer H2 submodels:

• 2007-2007: Base; 8 Cyl 6.0L;
• 2008-2009: Base; 8 Cyl 6.2L;

GIBSON SWEPT SIDE CAT-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B. certified; Gains maximum torque and horsepower up to 3000 RPM with a deep and aggressive tone; 3.5 in. main piping diameter, 3.5 in. tail pipe diameter; Exits in rear stock location; Single inlet and outlet muffler configuration; Includes fully welded Superflow CFT muffler for better volume efficiency, head pipe with flange, tail pipe, zinc plated 0.375-0.5 in. factory style hangers, heavy duty clamps, and single 4 in. high polished T-304 stainless steel tip with round shape, angle cut, and non-rolled edge design; Features heavy duty aluminized mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; Engineered and dyno-tested to improve acceleration, maximum hill climbing, towing and passing power; Quieter in the cab; Improves fuel economy and efficiency; Heavy duty enough for off-road use; Easy clamp-on installation; With Gibson's limited lifetime warranty.

Fits the following 2007-2009 Hummer H2 submodels:

• 2007-2007: Base; 8 Cyl 6.0L;
• 2008-2009: Base; 8 Cyl 6.2L;

GIBSON DUAL EXTREME CAT-BACK EXHAUST SYSTEM, 409L STAINLESS STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B. certified; Gains an average power of 15 to 20 h.p.; 3.5 in. main piping diameter, 2.25 in. tail pipe diameter; Exits behind rear tire at an aggressive angle; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow CFT muffler for better volume efficiency, head pipe with flange, tail pipes, zinc plated 0.375-0.5 in. thick factory style hangers, heavy-duty clamps, grommet, zip ties, and dual 4 in. high polished T-304 stainless steel tips with round shape, angle cut, and non-rolled edge design; Features quality and heavy duty 409L stainless steel mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; Provides powerful exhaust tone and bold street look; Will not fit with factory ground kit; Easy bolt-on installation; With Gibson's limited lifetime warranty.

Fits the following 2007-2009 Hummer H2 submodels:

• 2007-2007: Base; 8 Cyl 6.0L;
• 2008-2009: Base; 8 Cyl 6.2L;

GIBSON DUAL EXTREME CAT-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, NATURAL FINISH -- 50-state street legal, C.A.R.B. certified; Gains an average power of 15 to 20 h.p.; 3.5 in. main piping diameter, 2.25 in. tail pipe diameter; Exits behind rear tire at an aggressive angle; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow CFT muffler for better volume efficiency, head pipe with flange, tail pipes, zinc plated 0.375-0.5 in. thick factory style hangers, heavy-duty clamps, grommet, zip ties, and dual 4 in. high polished T-304 stainless steel tips with round shape, angle cut, and non-rolled edge design; Features heavy duty aluminized steel mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; Provides powerful exhaust tone and bold street look; Easy clamp-on installation; With Gibson's limited lifetime warranty.

Fits the following 2007-2009 Hummer H2 submodels:

• 2007-2007: Base; 8 Cyl 6.0L;
• 2008-2009: Base; 8 Cyl 6.2L;

GIBSON DUAL SPORT EXHAUST, ALUMINIZED -- This Dual Cat-Back Exhaust System Is Made Of High Quality Heavy Duty Aluminized Mandrel-Bent Tubing To Maintain Constant Exhaust Flow For Outstanding Performance, Fully Welded Superflow TM Muffler For Better Volume Efficiency, 3.5 T-304 High Polished Stainless Steel Clampless Slash Tips, 2.5 Tailpipe, Zinc Plated 3/8 in. -1/2 in. Thick Factory Style Hangers And Heavy Duty Clamps, Exit Is Straight Out The Back, Designed For Hassle Free Bolt-On Installation, Provides A Powerful Aggressive Deep Exhaust Tone, Dyno Tested To Assure An Increased Of 10%-15% Horsepower And Torque Gains Of 15-20 Lb-Ft, Improves Fuel Economy As Engine Become More Fuel Efficient, Lifetime Limited Warranty Included, 50 States Emissions Legal

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; 8 Cyl 6.0L;

GIBSON DUAL SPORT EXHAUST, STAINLESS -- This Dual Cat-Back Exhaust System Is Made Of High Quality Heavy Duty 409L Stainless Steel Mandrel-Bent Tubing To Maintain Constant Exhaust Flow For Outstanding Performance, Fully Welded Superflow TM Muffler For Better Volume Efficiency, 3.5 T-304 High Polished Stainless Steel Clampless Slash Tips, 2.5 Tailpipe, Zinc Plated 3/8"-1/2" Thick Factory Style Hangers And Heavy Duty Clamps, Exit Is Straight Out The Back, Designed For Hassle Free Bolt-On Installation, Provides A Powerful Aggressive Deep Exhaust Tone, Dyno Tested To Assure An Increased Of 10%-15% Horsepower And Torque Gains Of 15-20 Lb-Ft, Improves Fuel Economy As Engine Become More Fuel Efficient, Lifetime Limited Warranty Included, 50 States Emissions Legal

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; 8 Cyl 6.0L;

GIBSON SWEPT SIDE EXHAUST, ALUMINIZED -- This Swept Side Exhaust System Is Made Of High Quality Heavy Duty Aluminized Mandrel-Bent Tubing To Maintain Constant Exhaust Flow For Outstanding Performance, Fully Welded Superflow TM Muffler For Better Volume Efficiency, 4 T-304 High Polished Stainless Steel Clampless Slash Tip, 3 Tailpipe, Zinc Plated 3/8"-1/2" Factory Style Hangers And Heavy Duty Clamps, Engineered And Dyno-Tested To Improve Acceleration, Maximum Hill Climbing, Towing And Passing Power, Produces Maximum Torque And 15-20 Horsepower Gains At Low-End With Deep Aggressive Tone, Exit Is Straight Out The Back, Quieter In The Cab, Improves Fuel Economy And Efficiency, Heavy Duty Enough For Off-Road Use, Lifetime Limited Warranty, 50 State Emissions Legal

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; 8 Cyl 6.0L;

GIBSON SWEPT SIDE EXHAUST, STAINLESS-- This Swept Side Exhaust System Features Mandrel-Bent Tubing To Maintain Constant Exhaust Flow For Outstanding Performance, Fully Welded Superflow TM Muffler For Better Volume Efficiency, 4 T-304 High Polished Stainless Steel Clampless Slash Tip, 3 Tailpipe, Zinc Plated 3/8"-1/2" Factory Style Hangers And Heavy Duty Clamps, Engineered And Dyno-Tested To Improve Acceleration, Maximum Hill Climbing, Towing And Passing Power, Produces Maximum Torque And 15-20 Horsepower Gains At Low-End With Deep Aggressive Tone, Exit Is Straight Out The Back, Quieter In The Cab, Improves Fuel Economy And Efficiency, Heavy Duty Enough For Off-Road Use, Lifetime Limited Warranty, 50 State Emissions Legal

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; 8 Cyl 6.0L;

BORLA CAT-BACK EXHAUST SYSTEM, STAINLESS STEEL, NATURAL FINISH -- Increases power by 7 to 15 percent; 2.5 in. main piping diameter, 2.5 in. tailpipe diameter; Split rear exit; Dual inlet and outlet muffler configuration; Includes installation hardware, gaskets, aluminized steel muffler, and 4.25 in. x 3.5 in. x 12 in. dual polished stainless steel tips with oval shape, angle-cut, rolled-edge, and linen resonated design; Made from aircraft-quality, 100 percent T-304 austenitic, and sound-absorbing mandrel-bent stainless steel that maintains low decibels and protects the vehicle against burnout; Dyno-proven to yield an increase in flow and power while providing better fuel economy; Insulated to reduce shell temperature for a cooler driver's compartment; Features a patented uninterrupted-flow design and multi-core technology; With longer spike for scavenging to generate maximum power; 50-state legal, C.A.R.B. certified; Easy bolt-on installation; With Borla's million-mile warranty.

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; 8 Cyl 6.0L;

BORLA CAT-BACK EXHAUST SYSTEM, T-304 STAINLESS STEEL, NATURAL FINISH -- 50-state legal, C.A.R.B. certified; Increases power by 7 to 15 percent; 3 in. main piping diameter, 2.25 in. tail pipe diameter; Split rear exit; Single inlet and outlet muffler configuration; Includes front pipe, aluminized steel muffler, Y-pipe assembly, hanger and bracket assembly, heat shield, two bolts, three clamps, two nuts, and dual 4.25 in. x 3.5 in. x 12 in. polished stainless steel tips with oval shape, angle cut, and rolled edge design; Made from aircraft-quality, 100 percent T-304 austenitic, and sound-absorbing mandrel-bent stainless steel that maintains low decibels and protects the vehicle against burnout; Dyno-proven to yield an increase in flow and power while providing better fuel economy; Insulated to reduce shell temperature for a cooler driver's compartment; Features a patented uninterrupted-flow design and multi-core technology; With longer spike for scavenging to generate maximum power; Easy bolt-on installation; With Borla's million mile warranty.

Fits the following 2007-2008 Hummer H2 submodels:

• 2007-2007: Base; 8 Cyl 6.0L;
• 2008-2008: Base; 8 Cyl 6.2L;

FLOWMASTER AMERICAN THUNDER CAT-BACK EXHAUST SYSTEM, ALUMINIZED STEEL, WITH 3 in. LOGO EMBOSSED POLISHED STAINLESS STEEL TIPS -- Dual Rear Exit Exhaust System (DOR), Benefits Include Reduced Backpressure For Improved Acceleration And Towing Power, Cooler Underhood Temperatures, A Cleaner And More Efficient Burn In The Combustion Chambers, Better Fuel Economy, Features Mandrel-Bent 16-Gauge Aluminized Steel Tubing, Delivers Lesser Interior Resonance, Comes With 3 in. Tubing (Manifold Or Shorty Header Back), Scavenger Off Road Pipe (X-Pipe Style), Air Injector/O2 Sensor Provisions, Super 40 Series Mufflers, And Hardware, For Off Road And Race Use Only, Welding All Slip-Fit Connections Recommended, With Flowmaster's Limited 3-Year Warranty

Fits the following 2003-2006 Hummer H2 submodels:

• 2003-2006: Base; All Engines;