2003 Hummer H2 Exhaust Systems
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Borla®Touring™ Stainless Steel Cat-Back Exhaust System with Split Rear ExitHummer H2 Base 2003, Touring™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by Borla®. The product is un-polished. Tip style may vary. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing...$1,570.99 - AP Exhaust®Direct Fit Catalytic Converter and Pipe AssemblyHummer H2 2003, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. With 2 O2 Sensor Ports. Today’s exhaust performance market continues to cover a broad spectrum of vehicles....$462.71 - $661.90
- Gibson®Swept Side™ Stainless Steel Cat-Back Exhaust System with Single Rear ExitHummer H2 2003, Swept Side™ Stainless Steel Cat-Back Exhaust System with Single Rear Exit by Gibson®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 3.5". Exhaust System Sound:...$808.27Save: 15%$687.02
- MagnaFlow®OBDII Direct Fit Catalytic ConverterHummer H2 Engine Family # 3GMXT06.0194 with LEV Standard / LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Position: Passenger Side. If your car needs replacement, install one that will...$978.00
- ATP®Cast Iron Natural Exhaust ManifoldHummer H2 2003, Natural Cast Iron Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$89.83 - $115.75
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyHummer H2 2003, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. Position: Driver Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 50". This direct-fit catalytic converter by Davico...$417.68
- Walker®Ultra™ Direct Fit Round Body Catalytic Converter and Pipe AssemblyHummer H2 2003, Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Walker is an OE supplier to many major nameplate...$466.38 - $537.61
- Davico®Direct Fit Catalytic ConverterHummer H2 2003, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Position: Passenger Side. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 40". This direct-fit catalytic converter by Davico will be a...$438.87
- aFe®Mach Force XP™ 409 SS Cat-Back Exhaust System with Single Side ExitHummer H2 Base 2003, Mach Force XP™ 409 SS Cat-Back Exhaust System with Single Side Exit by aFe®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". Exhaust System Sound: Aggressive / Loud. Get...$1,052.00
- Gibson®Performance Stainless Steel Short Tube Exhaust HeadersHummer H2 without Air Injection, EGR System 2003, Performance Stainless Steel Short Tube Exhaust Headers by Gibson®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Let your engine breathe and...Increases low and mid-range horsepower and torqueIncreases engine efficiency$793.84 - $949.46Save: 12%$699.19 - $836.25
- Gibson®Swept Side™ Aluminized Steel Cat-Back Exhaust System with Single Side ExitHummer H2 2003, Swept Side™ Aluminized Steel Cat-Back Exhaust System with Single Side Exit by Gibson®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Aluminized Steel. Main Tubing Diameter: 3". Exhaust System Sound:...$650.18Save: 15%$552.65
- AERO Exhaust®TR Series 304 Stainless Steel Round Performance Exhaust ResonatorHummer H2 2003, TR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 3". Resonator Outlet Diameter: 3". Resonator Sound: Moderate. Resonator Configuration: Center - Center. The TR...$92.99 - $136.99
- Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust MufflerHummer H2 2003, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.625". Muffler Body Length: 24". Muffler Overall Length: 28". Muffler Configuration: Dual...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$74.17
- Walker®Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust MufflerHummer H2 2003, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.625". Muffler Body Length: 24". Muffler Overall Length: 28". Muffler Configuration:...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$104.81
- Dorman®Exhaust ManifoldHummer H2 2003, Exhaust Manifold by Dorman®. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$88.57 - $185.98
- AP Exhaust®MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet NeckHummer H2 2003, MSL Maximum Aluminized Steel Oval Direct-Fit Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 2.5". Muffler Outlet Diameter: 2.5". Muffler Body Length: 24". Muffler Overall Length: 28.25"....Designed for a quiet ride100% aluminized components for longer life$61.05
- Walker®Replacement Exhaust KitHummer H2 2003, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$74.17 - $1,004.97
- AERO Exhaust®AR Series 304 Stainless Steel Round Performance Exhaust ResonatorHummer H2 2003, AR Series 304 Stainless Steel Round Performance Exhaust Resonator by AERO Exhaust®. Resonator Inlet Diameter: 3". Resonator Outlet Diameter: 3". Resonator Body Length: 10". Resonator Overall Length: 14". Resonator Sound:...$105.99
- Dorman®Exhaust Manifold Hardware KitHummer H2 2003, Exhaust Manifold Hardware Kit by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$9.06 - $14.90
- TRQ®Exhaust ManifoldHummer H2 2003, Exhaust Manifold by TRQ®. Position: Driver Side. Made with quality in mind, this high-grade TRQ exhaust manifold fits right away without any trouble. It is built using the latest technology and innovation to meet your...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$107.95Save: $3.24 (3%)$104.71
- MagnaFlow®Heavy Metal Universal Fit Oval Body Catalytic ConverterHummer H2 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet...$222.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic ConverterHummer H2 with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$554.00
- MagnaFlow®OEM Grade Universal Fit Oval Body Catalytic ConverterHummer H2 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet...$231.00
- MagnaFlow®Direct Fit Catalytic ConverterHummer H2 2003, Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter will directly replace the factory unit, with...$882.00
- MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterHummer H2 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This converter will...$651.00 - $655.00
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterHummer H2 Engine Family # 3GMXT06.0194 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall...$337.49 - $1,004.97
- AERO Exhaust®Turbine Series Round Performance Exhaust MufflerHummer H2 2003, Turbine Series Round Performance Exhaust Muffler by AERO Exhaust®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 14". Muffler Overall Length: 20". Muffler Sound: Aggressive / Loud. Muffler...$149.99
- AP Exhaust®Universal Fit Large Oval Body Catalytic ConverterHummer H2 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...$352.09
- CATCO®Direct Fit Catalytic ConverterHummer H2 with California Emission / with Federal Emission 2003, Catalytic Converter by CATCO®. Converter Configuration: Direct Fit. Position: Driver Side. Designed and manufactured with innovative fabrication methods, high-tech...$566.26
- MagnaFlow®MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Dual Rear ExitHummer H2 2003, MagnaFlow Series™ Stainless Steel Cat-Back Exhaust System with Dual Rear Exit by MagnaFlow®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust System Sound:...$938.00
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2003 Hummer H2 Exhaust Reviews
1 review
Not That Loud, but a Good System
Gibson® 312500 - Swept Side™ Aluminized Steel Cat-Back Exhaust System with Single Side ExitPosted by Jonathan (Green Cove Springs, FL) / March 14, 20192003 Hummer H2
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