2014 GMC Sierra Performance Headers

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    • (0 reviews)
      # 1022308058
      GMC Sierra 2014, Twisted Steel™ Stainless Steel Exhaust Headers by aFe®. Primary Tubing Diameter: 1.75". The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse control technology....
      Optimized Tube Lengths Improve Flow and Performance100% Hand MIG-Welded Construction Ensures Optimal Strength and Durability
      $759.99 - $1,811.64
    • (0 reviews)
      # mpn4564002596
      GMC Sierra Regular Cab / Crew Cab 6.6L 2014, 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 problem with the stock...
      Thick wall construction and reinforced ribs for maximum durabilityOutflows the factory exhaust manifolds, improving performance and throttle response
      $517.74
    • (0 reviews)
      # 231099930
      GMC Sierra 5.3L / 6.2L without Air Injection without EGR System 2014, Performance Short Tube Exhaust Headers by Gibson®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Header Style: Short Tube. Let your engine breathe...
      Increases low and mid-range horsepower and torqueIncreases engine efficiency
      $454.53 - $597.60
    • (0 reviews)
      # 231283305
      GMC Sierra 6.0L 2014, 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
      $63.62 - $91.55
    • (0 reviews)
      # 276235984
      GMC Sierra 2014, Cast Iron Exhaust Manifold by Dorman®. 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 technology and with...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $69.95 - $142.95
    • (0 reviews)
      # 1386608400
      GMC Sierra 2014, Twisted Steel™ Stainless Steel Exhaust Headers by aFe®. The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse control technology. aFe engineers have designed this...
      Optimized Tube Lengths Improve Flow and Performance100% Hand MIG-Welded Construction Ensures Optimal Strength and Durability
      $1,519.04 - $1,855.34
    • (0 reviews)
      # 171671909
      GMC Sierra 5.3L / 6.2L 2014, Long Tube Exhaust Headers by Kooks®. Collector Outlet Diameter: 3". Header Material: Stainless Steel. Header Style: Long Tube. This product is made of high-quality materials to serve you for years to come....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $1,181.09 - $1,195.64
    • (0 reviews)
      # mpn4564004617
      GMC Sierra 5.3L / 6.0L / 6.2L 2014, 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...
      High quality at an affordable priceExpertly made from premium materials
      $241.46
    • (0 reviews)
      # mpn3513651683
      GMC Sierra 5.3L / 6.2L 2014, Steel Short Tube Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Header Style: Short Tube. These shortie headers are a fantastic way to work some...
      Street legal in all 50 states (most applications)Super tough 3/8" flanges and 14 gauge tubing
      $578.00
    • (0 reviews)
      # 623084693
      GMC Sierra 1500 2014, Exhaust Headers by Dynatech®. Collector Outlet Diameter: 2.5". O2 extension cables, triple layer stainless steel gaskets, header bolts, and all installation hardware are included. All Dynatech headers come with...
      Made to boost the performance of your vehicleExpertly crafted from premium materials
      $899.99 - $1,034.99
    • (0 reviews)
      # 142866799
      GMC Sierra 5.3L / 6.2L 2014, 409 SS Short Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Flowtech’s emissions-friendly headers are just the ticket for...
      Mandrel-bent tubing for smooth exhaust flowSturdy 16 gauge tubing
      +1
      $264.95 - $316.95
    • (0 reviews)
      # 221600031
      GMC Sierra 2014, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Material: Stainless Steel. Header Style: Short Tube. JBA shorty headers are one of the...
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $488.10 - $692.90
    • (0 reviews)
      # 409370845
      GMC Sierra 2014, Mild Steel Long Tube Exhaust Headers by PaceSetter®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Header Style: Long Tube. Manufactured using mandrel-bent, 16-gauge mild steel tubing and port-matched,...
      0.375” thick CNC-machined, port matched steel flanges3” high volume collector
      $336.90 - $547.13
    • (0 reviews)
      # 409330845
      GMC Sierra Base / Denali / SLE / SLT 5.3L 2014, Mild Steel Short Tube Exhaust Headers by PaceSetter®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Flanged Collector. If you want to get the...
      Machined flanges and 16-gauge primaries, just like race long tubesPollution control hook ups
      $274.19 - $402.52
    • (0 reviews)
      # 1200414689
      GMC Sierra 5.3L / 6.0L / 6.2L 2014, 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...
      Expertly crafted from premium materialsQuality design and workmanship
      +1
      $263.43 - $573.26
    • (0 reviews)
      # 378622326
      GMC Sierra 2014, 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 performance, is will...
      Expertly crafted from premium materialsQuality design and workmanship
      $324.77 - $664.45
    • (0 reviews)
      # 1200414681
      GMC Sierra 5.3L / 6.0L / 6.2L 2014, 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...
      Expertly crafted from premium materialsQuality design and workmanship
      $261.56 - $516.81
    • (0 reviews)
      # 231111565
      GMC Sierra 6.6L 2014, 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
      $26.64 - $53.95
    • (0 reviews)
      # mpn358582413
      GMC Sierra 5.3L / 6.0L / 6.2L 2014, 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...
      High quality at an affordable priceExpertly made from premium materials
      $118.40
    • (0 reviews)
      # 1200414695
      GMC Sierra 2014, 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)
      # mpn4476219268
      GMC Sierra 6.6L 2014, 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
      $9.15
    • (0 reviews)
      # 231283266
      GMC Sierra 2014, 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
      $5.02 - $31.97
    • (0 reviews)
      # 1498186873
      GMC Sierra 2014, Exhaust Manifold Gasket Set by Fel-Pro®. 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 resources, the gaskets...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $9.88 - $28.84
    • (1 review)
      # mpn260011023
      GMC Sierra Denali 5.3L / 6.0L / 6.2L 2014, 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.90
    • (1 review)
      # 1200414716
      GMC Sierra 2014, Exhaust Manifold Flange 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
      $5.90
    • (1 review)
      # 960177130
      GMC Sierra 2014, Exhaust Manifold Flange 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
      $5.90
    • (0 reviews)
      # 960669636
      GMC Sierra Denali 2014, 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
      $6.34 - $14.21
    • (0 reviews)
      # 1022099080
      GMC Sierra 2014, 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
      $6.34 - $14.21
    • (0 reviews)
      # 960647611
      GMC Sierra 2014, 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
      $6.34 - $14.21
    • (0 reviews)
      # mpn4483468136
      GMC Sierra 6.6L 2014, 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
    • (0 reviews)
      # 245516032
      GMC Sierra 2014, Header Gasket by Howe Racing Enterprises®. Designed utilizing the latest technology, this product by Howe Racing Enterprises® features premium quality and will perform better than advertised. Perfect for your vehicle...
      High quality at an affordable priceExpertly made from premium materials
      $12.14
    • (0 reviews)
      # 1022587054
      GMC Sierra 5.3L / 6.0L 2014, 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 gaskets...
      Metal stainless steel coreMalleable core conforms to gasket flange for leak-free sealing
      $15.04
    • (0 reviews)
      # mpn4483467717
      GMC Sierra 4.3L 2014, 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
      $24.68
    • (0 reviews)
      # 1200414701
      GMC Sierra 2014, 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 to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.57 - $19.32
    • (0 reviews)
      # 1200414698
      GMC Sierra 2014, 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
      $34.22 - $36.14
    • (0 reviews)
      # 1022432083
      GMC Sierra 5.3L / 6.0L 2014, 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.
      $13.65
    • (0 reviews)
      # 1200414690
      GMC Sierra 2014, 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
      $22.41
    • (0 reviews)
      # 1200414705
      GMC Sierra 6.0L 2014, Exhaust Header Gaskets 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 - day after day,...
      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
      $24.86
    • (0 reviews)
      # 276235981
      GMC Sierra 6.0L 2014, 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...
      Direct replacement for a proper fitBuilt to Last
      $5.27 - $5.53
    • (0 reviews)
      # mpn1903660761
      GMC Sierra 6.0L 2014, 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 need gaskets and...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $38.70
    • (0 reviews)
      # 652224842
      GMC Sierra 2014, 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
      $14.18 - $98.91
    • (0 reviews)
      # 378379891
      GMC Sierra Denali 5.3L / 6.0L / 6.2L 2014, 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
      $50.99 - $62.31
    • (0 reviews)
      # 314959284
      GMC Sierra 5.3L / 6.0L / 6.2L 2014, 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 locking...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $62.31
    • (0 reviews)
      # mpn4562174480
      GMC Sierra 6.0L 2014, Exhaust Manifold Gasket Set by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high...
      Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques
      $9.35
    • (0 reviews)
      # mpn4525157245
      GMC Sierra 5.3L 2014, BlackHeart™ Stainless Steel Short Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.875". Color: Natural. Header Coating: Uncoated. Header Style: Short Tube. Hooker continues to push the boundaries of...
      Merged collectors for maximum flow and increased exhaust velocity0.375” thick precision water jet cut flanges for less warping, maximum sealing surface, and better seal
      $429.95
    • (0 reviews)
      # 1362091141
      304 SS Short Tube Exhaust Headers by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Coating: Uncoated. Header Style: Short Tube. Flowtech’s emissions-friendly headers are just the ticket for those...
      Mandrel-bent tubing for smooth exhaust flowSturdy 16 gauge tubing
      $199.95 - $219.95
    • (0 reviews)
      # 1092289839
      304 SS Turbo Exhaust Headers by Stainless Works®. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention to the smallest detail...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $1,035.00 - $1,466.33
    • (0 reviews)
      # 1022499053
      Super Competition™ Flange Kit by Hooker®. Hooker offers a complete line of "hard to find" specialty header flanges. Flange kits come with gaskets, bolts and polished stainless steel NHRA contingency header I.D. tags.
      Kit Includes Stainless Steel NHRA Contingency ID Header Tag,Gaskets & BoltsExpertly crafted from premium materials
      $76.01 - $208.95
    • (0 reviews)
      # 781513773
      Exhaust Flanges by Kooks®. 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 by Kooks will last a lifetime. It will meet...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.17 - $85.49
    • (0 reviews)
      # mpn1622044890
      Universal Brass Exhaust Manifold Hardware Kit by Dorman®. Material: Brass. Dorman's Exhaust Nuts are now available separately for exhaust manifold repairs. These direct replacement nuts are ideal for securing exhaust components and used...
      Direct replacement for a proper fit every timeHigh-quality steel and rubber materials provides years of trouble-free service
      $3.68
    • (0 reviews)
      # mpn4564004455
      GMC Sierra 5.3L 2014, Steel Long Tube 4-2-1 Tri-Y Exhaust Header Kit with Y-Pipes by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.5". Header Style: Long Tube. This complete header kit makes huge...
      High quality at an affordable priceExpertly made from premium materials
      $811.00
    • (0 reviews)
      # 1200414713
      GMC Sierra 2014, 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
      $6.15 - $6.66
    • (0 reviews)
      # mpn4516975614
      GMC Sierra 5.3L / 6.2L 2014, Multi-Layer Steel Exhaust Manifold Gasket 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...
      High quality at an affordable priceExpertly made from premium materials
      $16.29
    • (0 reviews)
      # 1370621596
      Universal Manifold Stud by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust Technologies...
      Made from first-rate materialsEnsures outstanding durability
      $0.29 - $0.79
    • (0 reviews)
      # mpn4564017153
      Tri-Y Exhaust Headers by Doug Thorley Headers®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3"-2.5". Header Coating: Ceramic Coating. This product is made of high-quality materials to serve you for years to come. Designed...
      High quality at an affordable priceExpertly made from premium materials
      $674.00


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