2004 GMC Sierra Exhaust Manifolds & Components

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    • (0 reviews)
      # 231109768
      GMC Sierra 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
      $60.95 - $377.95
    • (0 reviews)
      # 231283154
      GMC Sierra 2004, 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 specifications, to...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $61.38 - $292.34
    • (1 review)
      # 62538111
      GMC Sierra 4.8L / 5.3L / 6.0L 2004, Exhaust Manifold to Cylinder Head Repair Clamp by Dorman®. Easily repair exhaust leaks without removing broken manifold bolts with Dorman’s Exhaust Manifold to Cylinder Head Repair Clamp. This...
      Eliminates the need to remove cylinder head, saving you time and moneyReduces installation time
      $26.88 - $30.74
    • (0 reviews)
      # 231110197
      GMC Sierra 6.6L 2004, Stainless Steel Exhaust Manifold Clamp by Dorman®. Material: Stainless Steel. Easily repair exhaust leaks without removing broken manifold bolts with Dorman’s Exhaust Manifold to Cylinder Head Repair Clamp....
      Direct replacement for a proper fit every timeReplacement restores drivability and proper engine performance
      $27.95 - $47.95
    • (0 reviews)
      # mpn888405507
      GMC Sierra 4.8L / 5.3L / 6.0L 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....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.48
    • (0 reviews)
      # 95031076
      GMC Sierra 2004, Exhaust Flange Gasket by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and easily. Choose Bosal, and you'll get...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $4.59 - $6.35
    • (0 reviews)
      # mpn166393314
      GMC Sierra 4.3L 2004, Exhaust Manifold Gasket Set by Victor Reinz®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $13.75
    • (1 review)
      # 90708977
      GMC Sierra 2004, Exhaust Manifold Gasket Set by Victor Reinz®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $9.36 - $21.71
    • (0 reviews)
      # 24142725
      GMC Sierra 2004, Exhaust Seal Ring by Victor Reinz®. 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
      $3.63 - $4.20
    • (0 reviews)
      # mpn2281166945
      GMC Sierra 4.8L / 5.3L / 6.0L 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...
      High quality at an affordable priceExpertly made from premium materials
      $13.73
    • (0 reviews)
      # 231109559
      GMC Sierra 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 - $8.53
    • (0 reviews)
      # 231108604
      GMC Sierra 4.8L / 5.3L / 6.0L 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...
      Direct replacement for a proper fitBuilt to Last
      $8.75 - $8.87
    • (0 reviews)
      # 231109589
      GMC Sierra 2004, Scavenger Series Stainless Steel Silver Ceramic Coated 4-1 One-Piece Style Unequal Length Short Tube Elite Exhaust Headers by Flowmaster®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions:...
      Increases horsepower and torqueImproves engine efficiency and throttle response
      $613.98
    • (2 reviews)
      # 231109988
      GMC Sierra without Air Injection without EGR System 2004, Performance Short Tube Exhaust Headers by Gibson®. Emissions: CARB compliant. Header Style: Short Tube. Includes: Premium Gaskets and all hardware. Let your engine breathe...
      Increases low and mid-range horsepower and torqueIncreases engine efficiency
      $454.08 - $596.99
    • (0 reviews)
      # 270984231
      GMC Sierra without Air Injection 2004, TorqueTube™ Exhaust Manifold System by Banks®. Includes: Two Full Exhaust Manifold Assemblies. Cast OEM exhaust manifolds just are too restrictive. Replacing them with Banks Torque Tubes...
      Shorty style fits in stock engine bayImproves power, reduces fuel consumption
      $586.07
    • (1 review)
      # 266668836
      GMC Sierra 2004, Tuned Length Steel Shorty Exhaust Headers by BBK®. Emissions: CARB compliant. Primary Tubing Diameter: 1.75". Header Style: Short Tube. Gain 15-20 dyno-proven horsepower at the rear wheels just by bolting on a set...
      Dyno testing results show a typical increase of 15-20 horsepower at the rear wheelsDeveloped using CAD (Computer Aided Design) software
      $349.99 - $479.99
    • (0 reviews)
      # 466908664
      GMC Sierra 4.8L / 5.3L 2004, Stainless Steel Header Off Road Assembly by Stainless Works®. Emissions: EPA compliant. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Color: Silver. Header Coating: Uncoated. Header...
      304 Stainless Steel ConstructionTIG-Welded
      $1,429.75 - $1,619.75
    • (0 reviews)
      # 82924271
      GMC Sierra 2004, Stainless Steel Long Tube Exhaust Headers with Factory Connect by Stainless Works®. Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. Header Style: Long Tube. This superior product is made from...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $1,026.00
    • (0 reviews)
      # 448277216
      GMC Sierra 2500 HD / 3500 2004, Stainless Steel Turbo Exhaust Headers by Stainless Works®. Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. This superior product is made from high-grade stainless steel to ensure...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $1,320.50
    • (0 reviews)
      # mpn3069277255
      GMC Sierra Crew Cab / Extended Cab / Regular Cab 6.6L 2004, BladeRunner Ductile Iron Exhaust Manifold by aFe®. Replace the exhaust manifold on your Dodge diesel with the BladeRunner manifold. It was created to address a cracking...
      Thick wall construction and reinforced ribs for maximum durabilityOutflows the factory exhaust manifolds, improving performance and throttle response
      $510.00
    • (0 reviews)
      # 204466662
      GMC Sierra RWD 2004, Super Competition™ Long Tube Exhaust Headers by Hooker®. Emissions: EPA compliant. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 6". Header Style: Long Tube. All necessary...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $509.95 - $660.95
    • (0 reviews)
      # mpn358945643
      GMC Sierra 4.3L / 4.8L / 5.3L 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...
      Perfect, direct bolt-on fit+15 HP and 38.5 Ft. Lbs of Torque
      $799.99
    • (0 reviews)
      # mpn865727083
      GMC Sierra 2004, Stainless Steel Exhaust Header by Spec-D®. Emissions: EPA compliant. Collector Outlet Diameter: 2.34". Color: Silver. Header Coating: Uncoated. Header Style: Short Tube. Make whatever you drive run and sound like a...
      Increase up to 12-15 hp1.5" primary tune / 2.5" collector
      $245.11
    • (0 reviews)
      # mpn358954139
      GMC Sierra 4.8L / 5.3L / 6.0L 2004, SlickFit Steel Natural Short Tube Exhaust Header by Advance Adapters®. Finish: Natural.
      $306.32
    • (0 reviews)
      # mpn358497436
      GMC Sierra 6.6L 2004, Exhaust Manifold Kit by BD Diesel Performance®. This BD Diesel Performance 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 materials to provide...
      Replaces factory driver's side "pinched down" unitRestores exhaust flow and balances the V8 engine for smoother running
      $168.08
    • (0 reviews)
      # 448035753
      GMC Sierra 4.8L / 5.3L Automatic Transmission 2004, 4-Tube Steel 4 Tube Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Long Tube. Doug's headers are...
      High quality at an affordable priceExpertly made from premium materials
      $622.50 - $822.35
    • (0 reviews)
      # 496280396
      GMC Sierra 4.8L / 5.3L / 6.0L 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...
      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)
      # 496435118
      GMC Sierra 2004, Lakester™ Exhaust Headers by Flowtech®. Emissions: EPA compliant. Flowtech Headers are the perfect combination of quality and value. Flowtech is proud to announce the release of a complete line-up of Lakester...
      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
      $414.95 - $520.95
    • (0 reviews)
      # 266668799
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.6L / 8.1L 2004, Long Tube Exhaust Headers by Flowtech®. Emissions: EPA compliant. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Long Tube. Include all mounting...
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $416.95 - $520.95
    • (0 reviews)
      # 496195390
      GMC Sierra 4.8L / 5.3L / 6.0L 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...
      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)
      # 266668844
      GMC Sierra 2004, Shorty Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Include all mounting hardware. Flowtech’s emissions-friendly headers are just the...
      Mandrel-bent tubing for smooth exhaust flowSturdy 16 gauge tubing
      $299.95 - $460.95
    • (0 reviews)
      # 496210376
      GMC Sierra 2004, Stainless Steel Upright Exhaust Headers by Flowtech®. Emissions: EPA compliant. Flowtech Headers are the perfect combination of quality and value. Mandrel-bent tubes provide consistent tubing diameters for...
      Consistent tubing diameters for smooth flowIncreases the cylinder scavenging effect and improves engine breathing
      $219.95 - $339.95
    • (0 reviews)
      # 221599867
      GMC Sierra without EGR System 8.1L 2004, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube. Includes:...
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $611.09 - $712.26
    • (0 reviews)
      # mpn548039259
      GMC Sierra 3500 6.6L 2004, Pulse Flow Hi-Sil Moly Non-EGR Exhaust Manifold by ATS Diesel Performance®. ATS Pulse Flow Exhaust Manifolds for the 6.6L Duramax offer far less restriction than stock manifolds and up-pipes. Channel...
      30% larger internal diameter in critical areasConstructed out of High Silica Moly for strength and promote thermal energy transfer
      $1,135.25
    • (0 reviews)
      # 409426880
      GMC Sierra Gas 4.8L / 5.3L 2004, Mild Steel Long Tube Exhaust Headers by PaceSetter®. Collector Outlet Diameter: 3". Emissions: EPA compliant. Header Style: Long Tube. Manufactured using mandrel-bent, 16-gauge mild steel tubing and...
      3/8” thick CNC-machined, port matched steel flanges1-7/8” or 1-3/4” 16-gauge mild steel, mandrel-bent primaries
      $304.53 - $511.12
    • (0 reviews)
      # 409498713
      GMC Sierra 4.8L / 5.3L 2004, Mild Steel Shorty Exhaust Headers by PaceSetter®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube. Flanged Collector. Manufactured...
      Machined flanges and 16-gauge primaries, just like race long tubesPollution control hook ups
      $258.41 - $541.37
    • (0 reviews)
      # 96412888
      GMC Sierra With Air Conditioning With Power Steering With Tubular Exhaust Manifold System 2004, Standard Duty Shorty Exhaust Headers by Hedman Hedders®. Header Style: Short Tube. After more than 50 years of manufacturing headers...
      Made of High Quality 304 SSBuilt to Last
      $308.93 - $750.98
    • (0 reviews)
      # 231110069
      GMC Sierra 2500 HD 2004, Exhaust Manifold by Merchant Automotive®.
      $132.13 - $298.22
    • (0 reviews)
      # mpn469956957
      GMC Sierra 2500 HD 1 Engine VIN Character 2004, MAX Flow Driver Side Manifold Upgrade Kit by Merchant Automotive®. Location: Driver Side. Replace your factory manifold with this low cost alternative. Increases exhaust flow through...
      $147.20
    • (0 reviews)
      # mpn3513651627
      GMC Sierra 4.8L / 5.3L 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...
      High quality at an affordable priceExpertly made from premium materials
      $729.00
    • (0 reviews)
      # 308602094
      GMC Sierra 4.8L / 5.3L / 6.0L 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....
      $489.00 - $519.00
    • (0 reviews)
      # 466854654
      GMC Sierra 2004, 304 SS Collector Flange by Stainless Works®. Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $43.70
    • (0 reviews)
      # mpn358582413
      GMC Sierra 4.8L / 5.3L / 6.0L 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...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # 83880601
      GMC Sierra 6.6L 2004, 4-Bolt Plate Adapter by Diamond Eye®. This products is created for those who are not afraid of the power. It is fine-tuned to deliver unrestricted power and tested against competition for maximum performance....
      High quality at an affordable priceExpertly made from premium materials
      $34.13 - $46.35
    • (0 reviews)
      # 399666129
      GMC Sierra with Chevy Big Block Engine 8.1L 2004, Lakester Steel Weld-Up Exhaust Kit by Patriot Exhaust®. Material: Steel. Includes: Header Flanges, Collector Flanges, Block-Off Plates, Four Exhaust Hookup Flanges, Pre-Bent Header...
      Perfect blend of style, quality, and dependabilityGive your rod a nostalgic look
      $237.93 - $261.29
    • (0 reviews)
      # mpn2112186
      GMC Sierra 4.3L 2004, Graph-Flex™ Exhaust Header Gaskets by Taylor Cable®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $23.50
    • (0 reviews)
      # mpn2114183
      GMC Sierra 4.3L 2004, Seal-4-Good™ Exhaust Header Gaskets by Taylor Cable®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $34.41
    • (0 reviews)
      # mpn1593890827
      GMC Sierra 4.3L 2004, VMAX Manifold Spacer 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...
      Cutting Edge TechnologyDelivers Dramatic Performance For Late Model Stock Engines
      $288.92
    • (0 reviews)
      # mpn2118403
      GMC Sierra 4.3L 2004, XX Carbon™ Exhaust Header Gaskets by Taylor Cable®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $21.34
    • (0 reviews)
      # mpn358507470
      GMC Sierra Gas 4.8L / 6.0L 2004, MLS Exhaust Header Gasket by Cometic Gasket®.
      Made of High Quality MaterialsBuilt to Last
      $31.61
    • (0 reviews)
      # mpn359115722
      GMC Sierra SLE / SLT / WT 5.3L 2004, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. The Percy's Seal-4-Good Reusable Flange Gaskets are multi-layered and made from a special "Dead Soft" Aluminum, which conforms...
      Built to match your exact requirementsHigh quality you can rely on
      $33.07
    • (0 reviews)
      # 346372350
      GMC Sierra SLE / SLT / WT 5.3L 2004, XX Carbon™ Exhaust Header Gaskets by Percy's High Performance®. These gaskets are designed to give the performance you expect at a price you can afford. Our XX Carbon gaskets are made of...
      Built to match your exact requirementsHigh quality you can rely on
      $21.64 - $22.66
    • (0 reviews)
      # 262494833
      GMC Sierra 4.8L / 5.3L / 6.0L 2004, Exhaust Header Gasket by Remflex®. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees...
      $24.31 - $32.62
    • (0 reviews)
      # mpn469957889
      GMC Sierra 2500 HD 6.6L 2004, Exhaust Manifold Gasket by Merchant Automotive®.
      High quality at an affordable priceExpertly made from premium materials
      $46.85
    • (0 reviews)
      # 116558803
      GMC Sierra 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
      $11.13 - $23.29
    • (0 reviews)
      # 231110089
      GMC Sierra 2004, Vibe-Lock Header Bolt Kit 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
      $14.91 - $91.51
    • (0 reviews)
      # 231283074
      GMC Sierra 4.8L / 5.3L / 6.0L 2004, Header Bolt Set by Mr. Gasket®. Whatever exhaust system you install on your engine, whether it’s a set of chromed headers or simply a set of cleaned up flat black rams horn manifolds, you’ll...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $8.15 - $36.69
    • (0 reviews)
      # 213370564
      GMC Sierra 2004, Vibe-Lock Header Bolt Kit by Percy's High Performance®. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to detail, this...
      Built to match your exact requirementsHigh quality you can rely on
      $79.73 - $94.27
    • (0 reviews)
      # mpn469957140
      GMC Sierra 2500 HD 1 Engine VIN Character 2004, ARP Exhaust Manifold Up Pipe Bolts by Merchant Automotive®.
      $14.39
    • (0 reviews)
      # 314957883
      GMC Sierra 2004, Header Locking Bolt Kit by Stage 8®. Package: For 16 Points. Stage 8 manufacturers the World's Best Active Mechanical Locking systems. Stage 8 locking fastener solutions are fail-safe when used and installed as...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $62.31 - $69.06





    2004 GMC Sierra Models
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