2008 GMC Sierra Performance Headers

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    • (0 reviews)
      # mpn4491655009
      GMC Sierra 1500 4.8L / 5.3L / 6.0L / 6.2L 2008, Classic Polish Style Stainless Steel Long Tube Exhaust Headers by Jet-Hot®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Emissions: EPA compliant. Color: Chrome. Header...
      $748.80
    • (0 reviews)
      # 564872711
      GMC Sierra 2008, Twisted Steel™ Mid-Length Tube Exhaust Headers by aFe®. Header Style: Mid-Length Tube. The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse control technology....
      $798.00 - $1,809.75
    • (0 reviews)
      # mpn912077
      GMC Sierra 4.8L / 5.3L 2008, Scavenger Series Elite 4-1 One-Piece Style Stainless Steel Short Tube Exhaust Headers by Flowmaster®. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Color:...
      $632.40
    • (0 reviews)
      # mpn3069277255
      GMC Sierra Regular Cab / Extended Cab / Crew Cab 6.6L 2008, BladeRunner Ductile Iron Exhaust Manifold by aFe®. Emissions: EPA compliant. Replace the exhaust manifold on your Dodge diesel with the BladeRunner manifold. It was created to...
      $493.05
    • (0 reviews)
      # 378622211
      GMC Sierra 4.8L / 6.2L 2008, Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. This superior Patriot EXhaust product is just for you. Carefully designed for...
      $401.34 - $588.31
    • (0 reviews)
      # 378621703
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, 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...
      +1
      $255.91 - $556.88
    • (0 reviews)
      # 1200391743
      GMC Sierra 1500 SLE / SLT / WT 2008, Steel Long Tube Exhaust Headers by Patriot Exhaust®. Collector Outlet Diameter: 3". Header Style: Long Tube. This superior Patriot EXhaust product is just for you. Carefully designed for maximum...
      $315.49 - $679.49
    • (0 reviews)
      # 378621689
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, Street Rod Sprint Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3.5". Emissions: EPA compliant. This superior Patriot EXhaust product is just...
      $264.28 - $512.24
    • (0 reviews)
      # mpn358582413
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, 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...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # mpn358507470
      GMC Sierra 4.8L / 5.3L / 6.0L Gas 2008, Multi-Layer Steel Exhaust Header Gasket by Cometic Gasket®. Material: Multi-Layer Steel. Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque...
      Made of High Quality MaterialsBuilt to Last
      $31.61
    • (0 reviews)
      # 1022191078
      GMC Sierra 4.8L / 5.3L / 6.0L 2008, Graph-Flex™ Exhaust Collector Gasket by Percy's High Performance®. Collector Outlet Diameter: 2.625". Seal your collector flanges properly with gaskets from Persy's High Performance. These metal...
      Metal stainless steel coreMalleable core conforms to gasket flange for leak-free sealing
      $14.61
    • (0 reviews)
      # mpn4483467717
      GMC Sierra 4.3L 2008, Graph-Flex™ Exhaust Header Gaskets by Percy's High Performance®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll seal up tight on...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $23.97
    • (0 reviews)
      # 652586865
      GMC Sierra 2008, HTR Collector Gaskets by Percy's High Performance®. 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
      $14.16 - $18.77
    • (0 reviews)
      # 1200391727
      GMC Sierra 2008, Seal-4-Good™ Exhaust Header Gaskets by Percy's High Performance®. 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
      $33.24 - $35.11
    • (0 reviews)
      # 1022646038
      GMC Sierra 4.8L / 5.3L / 6.0L 2008, XX Carbon™ Exhaust Collector Gasket by Percy's High Performance®. Collector Outlet Diameter: 2.625". Persy's High Performance makes exhaust manifold and collector gaskets that will withstand the...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $13.26
    • (0 reviews)
      # 1200391713
      GMC Sierra 2008, XX Carbon™ Exhaust Header Gaskets by Percy's High Performance®. 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
      $21.33 - $21.77
    • (0 reviews)
      # 1200391739
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, 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,...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $8.39 - $37.79
    • (0 reviews)
      # 652352838
      GMC Sierra 2008, 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
      $13.77 - $96.08
    • (0 reviews)
      # 314958204
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, Exhaust Manifold Hardware Kit by Stage 8®. 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
      $46.80 - $62.31
    • (0 reviews)
      # 314958261
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, Header Locking Bolt Kit by Stage 8®. Stage 8 locking fastener solutions are fail-safe when used and installed as directed. They are removable and reusable and can be visually inspected; if the...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $20.00 - $62.31
    • (0 reviews)
      # 231099602
      GMC Sierra 2008, Cast Iron Exhaust Manifold by Dorman®. Emissions: CARB compliant. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $60.95 - $130.95
    • (0 reviews)
      # 1200391775
      GMC Sierra 2008, Exhaust Manifold by ATP®. Emissions: EPA compliant. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $60.84 - $129.16
    • (5 reviews)
      # 1200391709
      GMC Sierra 4.8L / 5.3L / 6.0L 2008, 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
      $29.95 - $33.95
    • (0 reviews)
      # 231111565
      GMC Sierra 6.6L 2008, 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. This...
      Direct replacement for a proper fit every timeReplacement restores drivability and proper engine performance
      $22.74 - $42.95
    • (0 reviews)
      # mpn4476219268
      GMC Sierra 6.6L 2008, GM Original Equipment™ 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
      $9.40
    • (0 reviews)
      # 564671719
      GMC Sierra 2008, 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 vehicle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.18 - $29.47
    • (0 reviews)
      # 622854778
      GMC Sierra 2008, Exhaust Manifold Flange Gasket 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
      $5.98 - $6.47
    • (1 review)
      # 1200391698
      GMC Sierra 2008, 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 needs...
      High quality at an affordable priceExpertly made from premium materials
      $10.27 - $23.09
    • (0 reviews)
      # 1200391725
      GMC Sierra 2008, 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
      $4.19 - $9.90
    • (1 review)
      # mpn260011023
      GMC Sierra 4.3L / 4.8L / 5.3L / 6.0L / 6.2L 2008, Exhaust Manifold Flange Gasket by Mahle®. Position: Driver Side. 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
      $5.72
    • (1 review)
      # mpn260011023
      GMC Sierra 2008, Exhaust Manifold Flange Gasket by Mahle®. Position: Driver Side. 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.72
    • (0 reviews)
      # mpn2281166945
      GMC Sierra 4.8L / 5.3L / 6.0L 2008, 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...
      High quality at an affordable priceExpertly made from premium materials
      $15.25
    • (0 reviews)
      # mpn4486227517
      GMC Sierra 4.3L 2008, Exhaust Manifold Gasket Set 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...
      High quality at an affordable priceExpertly made from premium materials
      $14.32
    • (0 reviews)
      # mpn260011024
      GMC Sierra Denali 2008, Exhaust Pipe to Manifold Gasket by Mahle®. Position: Passenger Side. 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...
      High quality at an affordable priceExpertly made from premium materials
      $6.16
    • (0 reviews)
      # 960671631
      GMC Sierra 2008, Exhaust Pipe to Manifold Gasket by Mahle®. Position: Passenger Side. 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....
      High quality at an affordable priceExpertly made from premium materials
      $6.16 - $13.92
    • (0 reviews)
      # 1022577038
      GMC Sierra 2008, Exhaust Pipe to Manifold Gasket by Mahle®. Position: Passenger Side. 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....
      High quality at an affordable priceExpertly made from premium materials
      $6.16 - $13.92
    • (0 reviews)
      # 630393168
      GMC Sierra 2008, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $5.25 - $5.84
    • (0 reviews)
      # 231111502
      GMC Sierra 2008, 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 provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $6.78 - $7.12
    • (0 reviews)
      # 231099608
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, 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...
      Direct replacement for a proper fitBuilt to Last
      $5.34 - $5.81
    • (0 reviews)
      # mpn4494135020
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, Stainless Steel Long Tube Exhaust Headers with Y-Pipe by Torxe™. Primary Tubing Diameter: 1.88". Collector Outlet Diameter: 3". Emissions: Racing Only. Color: Silver. Header Style: Long Tube....
      $460.00
    • (0 reviews)
      # 1200391736
      GMC Sierra 2008, Mild Steel Long Tube Exhaust Headers by PaceSetter®. Collector Outlet Diameter: 3". Emissions: EPA compliant. Header Style: Long Tube. From the leader in the design, manufacture and distribution of affordably priced,...
      $294.22 - $494.66
    • (0 reviews)
      # 409370873
      GMC Sierra 2008, Mild Steel Short Tube Exhaust Headers by PaceSetter®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Header Style: Short Tube. Flanged Collector. Manufactured using...
      $241.90 - $375.65
    • (0 reviews)
      # 221599936
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, Cat4ward Stainless Steel Long Tube Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Emissions: Racing Only. Header Style: Long Tube. JBA long tube...
      $504.25 - $613.67
    • (0 reviews)
      # 221599943
      GMC Sierra 1500 4.8L / 5.3L / 6.0L / 6.2L without EGR System 2008, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Material:...
      $469.90 - $611.81
    • (0 reviews)
      # 1200391766
      GMC Sierra 2008, Long Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Emissions: Racing Only. Header Material: Mild Steel. Header Style: Long Tube. What happens when you're doing a...
      $312.95 - $572.95
    • (0 reviews)
      # 1200391749
      GMC Sierra 2008, 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 best of both worlds – top...
      $308.95 - $437.95
    • (0 reviews)
      # 231111263
      GMC Sierra without Air Injection 2008, TorqueTube™ Exhaust Manifold System by Banks®. Cast OEM exhaust manifolds just are too restrictive. Replacing them with Banks Torque Tubes will substantially reduce the backpressure where it...
      Shorty style fits in stock engine bayImproves power, reduces fuel consumption
      $586.07
    • (0 reviews)
      # 1200391770
      GMC Sierra 6.0L 2008, Tuned Length Steel Short Tube Exhaust Headers by BBK®. Primary Tubing Diameter: 1.75". Emissions: CARB compliant. Header Style: Short Tube. Gain 15-20 dyno-proven horsepower at the rear wheels just by bolting on a...
      $379.99 - $479.99
    • (0 reviews)
      # mpn3629358084
      GMC Sierra 2500 HD 6.0L 2008, Exhaust Headers by Dynatech®. Emissions: Racing Only. O2 extension cables, triple layer stainless steel gaskets, header bolts, and all installation hardware are included. All Dynatech headers come with full...
      $899.99
    • (0 reviews)
      # mpn358945626
      GMC Sierra 1500 4.8L / 5.3L / 6.0L / 6.2L 2008, SuperMAXX Stainless Steel Long Tube Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75". Collector Length: 4.25". Emissions: Racing Only. Color: Natural. Header Coating: Uncoated....
      $899.99
    • (0 reviews)
      # mpn4351213861
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, Exhaust Headers by Advance Adapters®. Emissions: EPA compliant. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      $236.62
    • (0 reviews)
      # mpn358497436
      GMC Sierra 6.6L 2008, Exhaust Manifold Kit by BD Diesel Performance®. Emissions: CARB compliant. 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...
      Pre-drilled for pyrometer probesCast of high silicon ductile iron to withstand extreme temperature cycling caused during DPF regeneration and in high performance applications
      $165.00
    • (0 reviews)
      # 372849506
      GMC Sierra 2008, Steel Long Tube 4-2-1 Tri-Y Exhaust Header Kit with Y-Pipes by Doug Thorley Headers®. Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Long Tube. Doug's headers are designed to outflow your...
      $754.00 - $944.00
    • (0 reviews)
      # 308602094
      GMC Sierra 4.8L / 5.3L / 6.0L / 6.2L 2008, Steel Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube. These shortie...
      $500.00 - $526.00
    • (0 reviews)
      # mpn3754521211
      GMC Sierra 6.6L 2008, Performance Exhaust Manifold by High Tech Turbo®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....
      Will help boost the performance of your vehicleMade to guarantee exceptional reliability
      $356.22
    • (0 reviews)
      # 466681127
      GMC Sierra 2008, 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
      $45.89
    • (0 reviews)
      # 623206690
      GMC Sierra 2008, 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. Whether you have an...
      Designed to crush 50%.This allows them to fill gaps in the flange surface up to 1/16"3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $11.19 - $28.79
    • (0 reviews)
      # mpn469957889
      GMC Sierra 6.6L 2008, Exhaust Manifold Gasket by Merchant Automotive®.
      High quality at an affordable priceExpertly made from premium materials
      $46.85
    • (0 reviews)
      # mpn4483468136
      GMC Sierra 6.6L 2008, 304 SS Exhaust Manifold Gasket Set by PPE®. Material: 304 SS.
      Thoughtfully designed to match your diesel engine needsMade to help enhance the performance of your vehicle
      $19.79
    • (3 reviews)
      # 1200391702
      GMC Sierra 4.8L / 5.3L / 6.0L without Air Injection without EGR System 2008, Performance Short Tube Exhaust Headers by Gibson®. Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube. Let your engine...
      $441.55 - $580.52




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