2004 Hummer H2 Performance Headers

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    • (0 reviews)
      # 231132649
      Hummer H2 without Air Injection without EGR System 2004, Performance Short Tube Exhaust Headers by Gibson®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube....
      Increases low and mid-range horsepower and torqueIncreases engine efficiency
      $454.08 - $596.99
    • (0 reviews)
      # 496281342
      Hummer H2 2004, Block Hugger Exhaust Headers by Flowtech®. Emissions: EPA compliant. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Flowtech Headers are the perfect combination of...
      Tight fit block hugger design for popular hot rod and street rodsHeavy duty 16-gauge tubing for increased strength and durability
      $207.95 - $310.95
    • (0 reviews)
      # 496243410
      Hummer H2 2004, Lakester™ Exhaust Headers by Flowtech®. Emissions: EPA compliant. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Premium aluminum header gaskets and installation hardware included. Flowtech...
      High flow, mandrel-bent tubes provide consistent tubing diameters for smooth flow and increased exhaust velocityHeavy duty tubing and high quality welds for increased strength and durability
      $416.95 - $520.95
    • (0 reviews)
      # 496400098
      Hummer H2 2004, Ram Horn Exhaust Manifold by Flowtech®. Emissions: EPA compliant. Collector Outlet Diameter: 2.25". Flowtech exhaust manifolds are the perfect combination of quality and value. This Rams horn exhaust manifold fits...
      Maximum engine clearance and maximum strengthSmooth transition, 1-5/8” diameter primaries are used for increased exhaust flow increasing performance and improving throttle response
      $207.95 - $310.95
    • (0 reviews)
      # 496481143
      Hummer H2 2004, Stainless Steel Upright Exhaust Headers by Flowtech®. Emissions: EPA compliant. Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. Flowtech Headers are the perfect combination of quality and...
      Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing
      $219.95 - $239.95
    • (0 reviews)
      # mpn358945643
      Hummer H2 2004, SuperMAXX Stainless Steel Natural Long Tube Exhaust Headers by Dynatech®. Finish: Natural. Header Style: Long Tube. Includes: Gaskets, Bolts/Studs. SuperMAXX Stainless Long Tube Headers are an excellent way to bolt...
      Perfect, direct bolt-on fit+15 HP and 38.5 Ft. Lbs of Torque
      $799.99
    • (0 reviews)
      # mpn358954139
      Hummer H2 2004, SlickFit Steel Natural Short Tube Exhaust Header by Advance Adapters®. Finish: Natural.
      $306.32
    • (0 reviews)
      # 221600419
      Hummer H2 2004, Cat4ward Stainless Steel Long Tube Exhaust Headers by JBA®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Long Tube. Includes: Hardware, Gaskets. JBA long tube headers are the number...
      3/8' thick CNC laser-cut flangesPatented JBA Firecone® merged collector
      $495.61 - $613.17
    • (0 reviews)
      # 221600437
      Hummer H2 2004, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube. Includes: Hardware, Gaskets. JBA shorty...
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $460.98 - $611.33
    • (0 reviews)
      # mpn3513651627
      Hummer H2 2004, Steel 4-2-1 Long-Tube Tri-Y Exhaust Header Kit with Y-Pipes by Doug Thorley Headers®. Emissions: CARB compliant. This complete header kit makes huge increases in power output of your LS based GM truck or SUV! Backed...
      High quality at an affordable priceExpertly made from premium materials
      $729.00
    • (0 reviews)
      # 308602338
      Hummer H2 2004, Steel Short Tube Exhaust Headers by Doug Thorley Headers®. Emissions: CARB compliant. These shortie headers are a fantastic way to work some extra horsepower out of your LS powered truck or SUV. A simple bolt-on...
      $489.00 - $519.00
    • (0 reviews)
      # mpn358582413
      Hummer H2 2004, Aluminum Header Flange Kit by Moroso®. Material: Aluminum. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # 231132678
      Hummer H2 2004, HTR Collector Gaskets by Taylor Cable®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $13.87
    • (0 reviews)
      # mpn358507470
      Hummer H2 2004, MLS Exhaust Header Gasket by Cometic Gasket®.
      Made of High Quality MaterialsBuilt to Last
      $31.61
    • (0 reviews)
      # 332171353
      Hummer H2 2004, Exhaust Manifold Gasket Set by Magnum Gasket®. You'd better be ready to take the heat if you're going to seal an exhaust manifold, where temperatures can often exceed 1,000°F. You can count on Magnum to offer the...
      Made of High Quality MaterialsThe best combination of steel layers and high-temp gasket materials
      $13.35 - $23.29
    • (0 reviews)
      # 231132703
      Hummer H2 2004, Cast Iron Natural Exhaust Manifold by Dorman®. Finish: Natural. Since this part is a direct replacement, the exact fit adds another layer of efficiency and convenience.
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $66.95 - $98.95
    • (0 reviews)
      # 231299744
      Hummer H2 2004, Cast Iron Natural Exhaust Manifold by ATP®. Emissions: EPA compliant. 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
      $61.38 - $93.21
    • (0 reviews)
      # mpn888405507
      Hummer H2 2004, GM Original Equipment™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.48
    • (0 reviews)
      # mpn1520366
      Hummer H2 2004, Exhaust Manifold Gasket Set by Fel-Pro®. Includes: 2 Gaskets. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $9.12
    • (0 reviews)
      # mpn616586
      Hummer H2 2004, Graphite/WireMesh Exhaust Seal Ring by Victor Reinz®. Material: Graphite/WireMesh. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      High quality at an affordable priceExpertly made from premium materials
      $3.63
    • (1 review)
      # mpn597854
      Hummer H2 2004, Multi-Layer Steel Exhaust Manifold Gasket Set by Victor Reinz®. Material: Multi-Layer Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      High quality at an affordable priceExpertly made from premium materials
      $10.27
    • (0 reviews)
      # mpn2281166945
      Hummer H2 2004, Exhaust Manifold Gasket by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $13.73
    • (0 reviews)
      # mpn1151262264
      Hummer H2 2004, Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $6.90
    • (0 reviews)
      # 231132735
      Hummer H2 2004, Steel Exhaust Manifold Hardware Kit by Dorman®. Material: Steel. 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...
      Direct replacement for a proper fitBuilt to Last
      $8.75 - $8.87
    • (0 reviews)
      # 314953945
      Hummer H2 2004, Header Locking Bolt Kit by Stage 8®. Thread Pitch: 3/8"-16. Length: 3/4". Package: For 16 Points. Stage 8 manufacturers the World's Best Active Mechanical Locking systems. Stage 8 locking fastener solutions are...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $62.31
    • (0 reviews)
      # 466199458
      Hummer H2 2004, Exhaust Headers by Advance Adapters®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $269.14 - $386.13
    • (0 reviews)
      # 378677835
      Hummer H2 2004, Roadster Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is...
      Expertly crafted from premium materialsQuality design and workmanship
      $268.98 - $563.02
    • (0 reviews)
      # 378677814
      Hummer H2 2004, Street Rod Sprint Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      Expertly crafted from premium materialsQuality design and workmanship
      $267.16 - $507.72
    • (0 reviews)
      # 285466057
      Universal Aluminized Steel Header Collector Ball Flange Kit by Flowmaster®. Material: Aluminized Steel. Includes: Bolts and Studs. The Collector Ball Flange takes the place of the messy three-bolt connections and ensures a...
      Replaces Messy 3-Bolt Flange ConnectionEnsures Leak Free Connection
      $101.48 - $101.98
    • (1 review)
      # 285466056
      Universal Scavenger Series Y-Collector by Flowmaster®. The patented Scavenger Y-Collector is based on the principles of Pulse Technology. They are designed to harmonize the exhaust pulses from two cylinders that are at the opposite...
      Race Proven TechnologyPatented Design that Creates Low Pressure Zones for Better Scavenging
      $48.74 - $55.38
    • (0 reviews)
      # 285466062
      Universal Header Merge Collector by MagnaFlow®. These headers are a cost effective an easy way to boost your vehicle's horsepower and torque in almost nothing flat. They are made of mandrel bent stainless steel with a ceramic...
      Easy and a cost effective solution to add horsepower and torque to your enginePrecisely designed for quality, fit and function
      $248.00 - $311.58
    • (0 reviews)
      # mpn1295593899
      Universal 304 SS 2-Bolt Manifold Flange by Stainless Works®. Primary Tubing Diameter: 3.02". Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $38.00
    • (0 reviews)
      # 466746659
      Universal Ball-Socket Style Exhaust Flange Kit by Hedman Hedders®. Ball & Socket Header Flange Kits allow you to convert a gasket style, or race style header collector to a gasket-free Ball-Style Collector. Hedman’s gasketless,...
      Available in 304 Stainless Steel, Aluminized Steel, Mild SteelEasy to Install
      $28.13 - $138.07
    • (0 reviews)
      # 466972652
      Universal Exhaust Header Reducers by Hedman Hedders®. Hedman reducers (exhaust system adapters) weld on to your exhaust system, so you can easily bolt up your Hedman Hedders to the vehicle’s exhaust.
      Available in Mild Steel, Aluminized Steel or Stainless SteelAll necessary hardware included
      $20.08 - $49.48
    • (0 reviews)
      # 466877651
      Universal Header Reducers by Hedman Hedders®. Many of Hedman's newer hedder models utilize a ball & socket style collector. If your Hedman Hedders have thisstyle of collector they do not require a gasket.
      Made of High Quality MaterialsBuilt to Last
      $25.52 - $30.39
    • (0 reviews)
      # 466734101
      Universal Heat Riser Valve by Hedman Hedders®. Universal heat riser valve adapters are available in two and three bolt designs, and fit 2-1/2" and 3" collectors.
      Made of High Quality MaterialsEnsure Optimum Performance
      $52.72 - $70.10
    • (0 reviews)
      # 466901649
      Universal Mild Steel Exhaust Headers Collectors by Hedman Hedders®. Material: Mild Steel. This Hedman Hedders product is just the option for you in case you want to get the most out of your auto. It is made from first-rate...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $45.39 - $209.49
    • (0 reviews)
      # 285466074
      Universal 304 SS Merge Collector by Vibrant Performance®. Material: 304 SS. Vibrant Performance offers a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help free up maximum...
      Help free up maximum horsepowerEasy To Use
      $52.95 - $267.54
    • (0 reviews)
      # 482094993
      Universal 304 SS Slip Joint Adapter by Vibrant Performance®. Material: 304 SS. Vibrant Performance offers a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help free up maximum...
      Help free up maximum horsepowerEasy To Use
      $31.45 - $59.95
    • (0 reviews)
      # mpn1300425166
      Universal Low Carbon Steel Exhaust Header Extensions by DynoMax®. Material: Low Carbon Steel. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $58.24
    • (0 reviews)
      # 466758648
      Universal Reducer by Flowtech®. Flowtech understands that when you purchase a set of headers, a muffler, or even an entire exhaust system, you want to know that you’re getting everything you need to complete the installation.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $19.42 - $128.95
    • (0 reviews)
      # 285466054
      Universal Elbow Kit by Dynatech®. These Long Tube Pavement Late Model Headers are designed for use with Standard Chevy engines. The Long Tube design promotes excellent torque throughout the RPM range.
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $105.99 - $109.99
    • (0 reviews)
      # 285466053
      Universal High-Velocity Merge Collector by Dynatech®. Dynatech Merge Collectors are an excellent way to maximize the potential of your exhaust system. When your exhaust system requires the maximum horsepower, a set of Dynatech...
      Maximizes the potential of the exhaust systemMade of High Quality Materials
      $199.99
    • (0 reviews)
      # 466303475
      Universal Aluminized Steel 3-Bolt Flange Header Buddy Reducer by Jones Exhaust®. Material: Aluminized Steel. Thoroughly engineered to perform and outperform any competition, these premium exhaust pipes by Jones Exhaust are a must...
      High quality at an affordable priceExpertly made from premium materials
      $33.06 - $33.46
    • (0 reviews)
      # mpn478097096
      Universal Aluminized Steel 3-Bolt Flange Header Collector Extension by Jones Exhaust®. Material: Aluminized Steel. This Jones Exhaust product is just the option for you in case you want to get the most out of your auto. It is made...
      High quality at an affordable priceExpertly made from premium materials
      $18.97
    • (0 reviews)
      # 285466061
      Universal Aluminized Steel 3-Bolt Flange Header Collector Extension by Jones Exhaust®. Material: Aluminized Steel. This Jones Exhaust product is just the option for you in case you want to get the most out of your auto. It is made...
      High quality at an affordable priceExpertly made from premium materials
      $10.08 - $12.98
    • (0 reviews)
      # 285466065
      Universal 3 Bolt Style Exhaust Collector Flange Kit by Patriot Exhaust®. Flange kits include two flanges, gaskets and flange bolts. All round collector flanges include two block off plates and two flanges. 4-gauge flange thickness....
      Welding Required: YesCollector Ring Finish: Natural
      $12.97 - $17.38
    • (0 reviews)
      # 285466064
      Universal 4-1 Formed Collectors by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...
      Expertly crafted from premium materialsQuality design and workmanship
      $37.60 - $89.19
    • (0 reviews)
      # 285466066
      Universal Collector Reducer by Patriot Exhaust®. Patriot Exhaust collector reducers are zinc plated to minimize corrosion while providing a weldable finish. All collector reducer kits come with two reducers, gaskets and flange bolts.
      Zinc plated to minimize corrosionWeld on reducers
      $25.80 - $31.60
    • (0 reviews)
      # mpn358950043
      Universal Dome Style Reducer by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...
      Expertly crafted from premium materialsQuality design and workmanship
      $36.04
    • (0 reviews)
      # 378475798
      Universal Exhaust Turnout Kit by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...
      Expertly crafted from premium materialsQuality design and workmanship
      $87.02 - $151.76
    • (0 reviews)
      # 266461865
      Universal 2 into 1 Y-Pipe Collector by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $99.83 - $110.91
    • (0 reviews)
      # 466906651
      Universal 3-Bolt Exhaust Header Collector Flange by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost care and...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $5.66 - $6.04
    • (0 reviews)
      # 266461864
      Universal Collector Insert Reducer by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $20.32
    • (0 reviews)
      # 466960655
      Universal Slip Over Header Collector by Schoenfeld Headers®. This top-notch product by Schoenfeld Headers is made to give that extra boost that every driver appreciates. This product is designed with utmost care and meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $40.88 - $219.50
    • (0 reviews)
      # mpn753352383
      Universal Header Reducer by BTP®. Each. This premium quality part by BTP helps your exhaust system to perform at its full efficiency as well as provide your vehicle with a more aggressive and powerful sound. This part is made from...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $10.46
    • (0 reviews)
      # 285466063
      Universal Manifold Clamp-A-Stud by Nickson®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      Expertly crafted from premium materialsQuality design and workmanship
      $27.20
    • (0 reviews)
      # 171670471
      Universal Hand Merge Collector by Kooks®. With 9-10" long body. Plus 2" for slip on stub section. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $118.93 - $434.57
    • (0 reviews)
      # 171670489
      Universal Stainless Steel Female Ball Socket Connection Kit by Kooks®. Material: Stainless Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Made of high Quality MaterialsDesigned to match rigorous quality standards
      $58.16 - $257.36
    • (0 reviews)
      # 171670486
      Universal Steel Female Flare Connector by Kooks®. Material: Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product...
      Made of high Quality MaterialsDesigned to match rigorous quality standards
      $32.16 - $64.33





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