Hummer 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 CAT-BACK EXHAUST SYSTEM, STAINLESS STEEL, NATURAL FINISH -- Complies with most state and federal laws; Designed and tested to meet legal sound level limits; Increases horsepower on an average range of 10 percent; 2.5 in. main piping diameter, 3 in. tailpipe diameter; Dual split rear exit; Single inlet and dual outlet muffler configuration; Includes installation hardware, resonator, 5 in. x 8 in. x 18 in. polished stainless steel muffler, and dual 3.5 in. polished stainless steel tips with round shape, straight cut, and rolled edge design; Made of 100 percent 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, and mandrel-bent; Easy installation; With Magnaflow's limited lifetime warranty.

Fits the following 2008 Hummer H3 submodels:

• 2008-2008: Alpha; 8 Cyl 5.3L; "GAS, FI, LH8, Naturally Aspirated, VIN L"

MAGNAFLOW STAINLESS STEEL CAT-BACK EXHAUST SYSTEM -- 2.5 in. Tubing O.D. Size, 3.5 in. Tip O.D. Size, Split Rear Exit Position, Dual System, Includes 5 in. X 11 in. X 22 in. Muffler And Dual Polished Stainless Steel 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 2006-2008 Hummer H3 submodels:

• 2006-2006: Base; 5 Cyl 3.5L; "Gas, FI, Naturally Aspirated, VIN 6"
• 2007-2008: Base; 5 Cyl 3.7L; "Gas, FI, Naturally Aspirated, VIN E"

• 2007-2008: X; 5 Cyl 3.7L; "Gas, FI, Naturally Aspirated, VIN E"

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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 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.; 2.5 in. main piping diameter, 2.5 in. tail pipe diameter; Exits behind rear tire at an aggressive angle; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow SFT muffler for better volume efficiency, over axle tail pipes, zinc plated 0.375-0.5 in. factory style hangers, heavy duty clamps, and dual 3.5 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; Easy bolt-on installation; With Gibson's limited lifetime warranty.

Fits the following 2008-2009 Hummer H3 submodels:

• 2008-2009: Alpha; 8 Cyl 5.3L;
• 2009-2009: Championship Series; 8 Cyl 5.3L;

GIBSON SPLIT REAR 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.; 2.5 in. main piping diameter, 2.5 in. tail pipe diameter; Exit is straight out the back; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow SFT muffler for better volume efficiency, over axle tail pipes, zinc plated 0.375-0.5 in. factory style hangers, heavy duty clamps, and dual 3.5 in. high polished T-304 stainless steel tips 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; It significantly decreases back-pressure while increasing torque; Offers an awesome look and produces an aggressive powerful sound; Easy clamp-on installation; With Gibson's limited lifetime warranty.

Fits the following 2008-2009 Hummer H3 submodels:

• 2008-2009: Alpha; 8 Cyl 5.3L;
• 2009-2009: Championship Series; 8 Cyl 5.3L;

GIBSON SPLIT REAR 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.; 2.5 main piping diameter, 2.5 in. tail pipe diameter; Exit is straight out the back; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow SFT muffler for better volume efficiency, over axle tail pipes, zinc plated 0.375-0.5 in. thick factory style hangers, heavy duty clamps, and dual 3.5 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; It significantly decreases back-pressure while increasing torque; Offers an awesome look and produces an aggressive powerful sound; Dyno tested to assure an increase in horsepower; Easy clamp-on installation; With Gibson's limited lifetime warranty.

Fits the following 2008-2009 Hummer H3 submodels:

• 2008-2009: Alpha; 8 Cyl 5.3L;
• 2009-2009: Championship Series; 8 Cyl 5.3L;

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 in. main piping diameter, 3 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, 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 2008-2009 Hummer H3 submodels:

• 2008-2009: Alpha; 8 Cyl 5.3L;
• 2009-2009: Championship Series; 8 Cyl 5.3L;

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.; 2.5 in. main piping diameter, 2.5 in. tail pipe diameter; Exits behind rear tire at an aggressive angle; Single inlet and dual outlet muffler configuration; Includes fully welded Superflow SFT muffler for better volume efficiency, over axle tail pipes, zinc plated 0.375-0.5 in. thick factory style hangers, heavy-duty clamps, and dual 3.5 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 2008-2009 Hummer H3 submodels:

• 2008-2009: Alpha; 8 Cyl 5.3L;
• 2009-2009: Championship Series; 8 Cyl 5.3L;

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 in. main piping diameter, 3 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, 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 2008-2009 Hummer H3 submodels:

• 2008-2009: Alpha; 8 Cyl 5.3L;
• 2009-2009: Championship Series; 8 Cyl 5.3L;

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 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 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 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;