2004 GMC Sierra 2500 Exhaust Headers & Manifolds
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Dorman®Stainless Steel Exhaust Manifold ClampGMC Sierra 2500 HD 6.6L 2004, Stainless Steel Exhaust Manifold Clamp by Dorman®. Color: Silver. Easily repair exhaust leaks without removing broken manifold bolts with Dorman's Exhaust Manifold to Cylinder Head Repair Clamp. This...Direct replacement for a proper fit every timeReplacement restores drivability and proper engine performance$27.86 - $52.73 - Dorman®Exhaust Manifold to Cylinder Head Repair ClampGMC Sierra 2500 / Sierra 2500 HD 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$25.13 - $33.49
- ACDelco®Genuine GM Parts™ Exhaust Manifold Flange GasketGMC Sierra 2500 HD 6.6L 2004, Genuine GM Parts™ Exhaust Manifold Flange Gasket by ACDelco®. Position: Rear. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.61
- ACDelco®Genuine GM Parts™ Exhaust Manifold StudGMC Sierra 2500 HD 8.1L 2004, Genuine GM Parts™ Exhaust Manifold Stud 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$6.49
- Hedman Hedders®Block Hugger Mild Steel Racing Exhaust HeadersBlock Hugger Mild Steel Racing Exhaust Headers by Hedman Hedders®. The compact, low profile design of Hedman's Block Hugger Headers is ideal for factory manifold replacement, or engine swap projects that do not have a header designed...High quality at an affordable priceExpertly made from premium materials$263.28 - $701.35
- Victor Reinz®Exhaust Manifold Gasket SetGMC Sierra 2500 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$11.87 - $45.96
- PPE®Exhaust Manifold GasketGMC Sierra 2500 HD 6.6L 2004, Exhaust Manifold Gasket by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to...Great way to improve the performance of your truckSynonymous with quality, efficiency, and dependability$11.69
- Banks®TorqueTube™ Exhaust Manifold SystemGMC Sierra 2500 / Sierra 2500 HD Base / SLE / SLT / WT 6.0L without Air Injection 2004, TorqueTube™ Exhaust Manifold System by Banks®. Cast OEM exhaust manifolds just are too restrictive. Replacing them with Banks Torque Tubes will...Shorty style fits in stock engine bayImproves power, reduces fuel consumption$679.00
- Doug's Headers®4-Tube Steel Hi-Temp Black Coated Long Tube Exhaust HeadersGMC Sierra 2500 / Sierra 2500 HD 6.0L 2004, 4-Tube Steel Hi-Temp Black Coated Long Tube Exhaust Headers by Doug's Headers®. Primary Tubing Diameter: 1.625". Color: Black. Header Coating: Ceramic. Header Style: Long Tube. Doug's headers...Doug's Headers D3373 Metallic Ceramic Coating3/8" thick flanges$471.45
- TruParts®Exhaust ManifoldGMC Sierra 2500 2004, Exhaust Manifold by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$70.66 - $358.17
- DIY Solutions®Exhaust ManifoldGMC Sierra 2500 HD 6.6L 2004, Exhaust Manifold by DIY Solutions®. Position: Driver and Passenger Side. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$225.37
- Hedman Hedders®Elite Ultra-Duty Street Mild Steel Black MAXX Satin Black Ceramic-Metallic Long Tube Racing Exhaust HeadersGMC Sierra 2500 / Sierra 2500 HD 2004, Elite Ultra-Duty Street Mild Steel Black MAXX Satin Black Ceramic-Metallic Long Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5"....Made of High Quality MaterialsIdeal for Heavy Duty Applications$611.21
- Hedman Hedders®Standard Duty Mild Steel Black MAXX Satin Black Ceramic-Metallic Exhaust HeadersGMC Sierra 2500 2004, Standard Duty Black MAXX Satin Black Ceramic-Metallic Mild Steel Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Color: Black. Header Coating: Ceramic. The standard-duty Hedman Hedders in this...Made of High Quality MaterialsExtremely durable, protective SATIN BLACK ceramic-metallic coating$575.31 - $619.37
- Hedman Hedders®Standard Duty Mild Steel Uncoated Long Tube Racing Exhaust HeadersGMC Sierra 2500 RWD with Air Conditioning, Power Steering 2004, Standard Duty Uncoated Mild Steel Long Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 3"....High quality at an affordable priceExpertly made from premium materials$364.31
- Hedman Hedders®Street 304 SS Long Tube Racing Exhaust HeadersGMC Sierra 2500 RWD with Air Conditioning, Power Steering 2004, Street 304 SS Long Tube Racing Exhaust Headers by Hedman Hedders®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. After more than...High quality at an affordable priceExpertly made from premium materials$817.18 - $1,045.35
- Diamond Eye®4-Bolt Plate AdapterGMC Sierra 2500 HD 6.6L 2004, 4-Bolt Plate Adapter by Diamond Eye®. This products are created for those who are not afraid of the power. It is fine-tuned to deliver unrestricted power and tested against competition for maximum...High quality at an affordable priceExpertly made from premium materials$53.64 - $74.64
- Doug Thorley Headers®Steel Short Tube Exhaust HeadersGMC Sierra 2500 / Sierra 2500 HD 6.0L 2004, Steel Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube.Compact design - great for tight spacesTough 0.375" flanges and thick wall steel tubing$635.91 - $654.48
- Flowtech®304 SS Short Tube Exhaust HeadersGMC Sierra 2500 / Sierra 2500 HD 6.0L 2004, 304 SS Short Tube Exhaust Headers by Flowtech®. Collector Outlet Diameter: 2.5". Header Style: Short Tube. Flowtech’s emissions-friendly headers are just the ticket for those who want the...This is a 50-State Legal headerSturdy 16 gauge tubing$419.95 - $579.95
- Hooker®Cast Iron Exhaust ManifoldGMC Sierra 2500 HD 6.0L 2004, Cast Iron Exhaust Manifold by Hooker®. Primary Tubing Diameter: 1.75". Hooker cast iron exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement...Free-flowing for good performance and catalytic converter efficiency304 stainless steel mating flanges included (mating flange fasteners are not included)$266.95 - $599.95
- Hooker®Super Competition™ Mild Steel Long Tube Exhaust HeadersGMC Sierra 2500 Base / SLE / SLT / WT RWD 2004, Super Competition™ Mild Steel Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 6". Header Style: Long Tube. All...Light weight & sturdy 18 gauge tubing5/16” machined flanges for a perfect seal$688.95 - $892.95
- Merchant Automotive®ARP Exhaust Manifold Up Pipe BoltsGMC Sierra 2500 HD 1 Engine VIN Character 2004, ARP Exhaust Manifold Up Pipe Bolts by Merchant Automotive®. Replace your rusty or broken exhaust manifold up pipe bolts with these high quality ARP bolts! If you’re looking for...Designed using sophisticated technology and equipmentMade to combine functionality and reliability$22.07
- Merchant Automotive®Exhaust ManifoldGMC Sierra 2500 HD 2004, Exhaust Manifold by Merchant Automotive®. This superior Merchant Automotive product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This...High quality at an affordable priceExpertly made from premium materials$243.51 - $465.60
- Moroso®Aluminum Header Flange KitGMC Sierra 2500 / Sierra 2500 HD 6.0L 2004, Aluminum Header Flange Kit by Moroso®. 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...Aluminum plates simplify the task of matching exhaust ports to large tube, dual flange headers on enginesOnly 3/8" thick to save weight$151.99
- Mr. Gasket®Header Bolt SetGMC Sierra 2500 / Sierra 2500 HD 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,...Premium parts you can rely onDesigned to restore functionality$11.95 - $54.95
- AFR®Steel Core Laminate Exhaust Gasket SetGMC Sierra 2500 HD 8.1L with Big Block Chevy Engine 2004, Steel Core Laminate Exhaust Gasket Set by AFR®. Known for its innovative design and high quality, this product will increase the horsepower of your vehicle and improve your...Designed to meet the needs of racers or street enthusiastsMade using the latest in modern technology and advanced processes$28.06
- DNJ Engine Components®Exhaust Manifold Gasket SetGMC Sierra 2500 / Sierra 2500 HD 6.0L 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...Designed to restore your vehicle's original performanceProvides superior sealing performance$10.89
- Merchant Automotive®Exhaust Manifold GasketGMC Sierra 2500 HD 6.6L 2004, Exhaust Manifold Gasket by Merchant Automotive®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...High quality at an affordable priceExpertly made from premium materials$57.93
- Merchant Automotive®MAX Flow Manifold Upgrade KitGMC Sierra 2500 HD 1 Engine VIN Character 2004, MAX Flow Manifold Upgrade Kit by Merchant Automotive®. Position: Driver Side. Replace your factory manifold with this low cost alternative. Increases exhaust flow through the left side...High quality at an affordable priceExpertly made from premium materials$306.14
- BRExhaust®Exhaust Flange GasketGMC Sierra 2500 HD 6.6L 2004, Exhaust Flange Gasket by BRExhaust®. BRExhaust 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...Constructed for a hassle-free exhaust repairEnsures a precise fit$9.65
- Dorman®Exhaust Manifold Heat ShieldGMC Sierra 2500 2004, Exhaust Manifold Heat Shield by Dorman®. Position: Driver Side. Replace a loose or missing exhaust manifold heat shield without replacing the manifold itself. This direct replacement heat shield has been...Effective replacement - designed to match the fit and function of the stock exhaust manifold heat shield on specific vehicle applicationsDurable construction - this heat shield is made of stamped steel to withstand underhood heat and conditions$52.73 - $64.71
