2011 GMC Sierra Denali Performance Headers

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    • (0 reviews)
      # 564642761
      GMC Sierra Denali 2011, Twisted 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 header...
      $798.00 - $1,809.75
    • (0 reviews)
      # mpn4491655009
      GMC Sierra Denali 6.2L 2011, Classic Polish Style Stainless Steel Ceramic Coated Long Tube Exhaust Headers by Jet-Hot®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3". Emissions: EPA compliant. Finish: Ceramic Coated....
      $748.80
    • (0 reviews)
      # mpn3069277255
      GMC Sierra Denali Crew Cab 6.6L 2011, 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 address a cracking...
      $493.05
    • (0 reviews)
      # 781276783
      GMC Sierra Denali 2011, Polished Long Tube Exhaust Headers with Y-Pipe by Torxe™. Collector Outlet Diameter: 3". Emissions: Racing Only. Finish: Polished. Color: Silver. Header Style: Long Tube. This product is made of high-quality...
      $460.00
    • (0 reviews)
      # 448317159
      GMC Sierra Denali 6.0L 2011, 304 SS Short Tube Exhaust Headers by Flowtech®. Collector Outlet Diameter: 2.5". Emissions: Racing Only. Header Style: Short Tube. Flowtech’s emissions-friendly headers are just the ticket for those who...
      $308.95 - $437.95
    • (0 reviews)
      # 448381179
      GMC Sierra Denali 6.0L / 6.2L 2011, 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...
      $312.95 - $572.95
    • (0 reviews)
      # mpn358945626
      GMC Sierra Denali 6.2L 2011, SuperMAXX Stainless Steel Natural Long Tube Exhaust Headers by Dynatech®. Primary Tubing Diameter: 1.75". Collector Length: 4.25". Emissions: Racing Only. Finish: Natural. Color: Natural. Header Coating:...
      $899.99
    • (0 reviews)
      # mpn4351213861
      GMC Sierra Denali 6.0L / 6.2L 2011, 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 with...
      High quality at an affordable priceExpertly made from premium materials
      $263.82
    • (0 reviews)
      # 221600012
      GMC Sierra Denali 6.0L / 6.2L 2011, 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 headers are...
      $504.25 - $613.67
    • (0 reviews)
      # 221600020
      GMC Sierra Denali 6.2L without EGR System 2011, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Material: Stainless Steel....
      $469.90 - $693.15
    • (0 reviews)
      # 447995584
      GMC Sierra Denali 6.2L 2011, 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)
      # 378622284
      GMC Sierra Denali 6.0L / 6.6L 2011, 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)
      # 378622313
      GMC Sierra Denali 6.0L / 6.2L 2011, 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...
      $266.11 - $556.88
    • (0 reviews)
      # 378622309
      GMC Sierra Denali 6.0L / 6.2L 2011, 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 for...
      $254.08 - $512.24
    • (0 reviews)
      # 409386833
      GMC Sierra Denali 6.0L 2011, Mild Steel Long Tube Exhaust Headers by PaceSetter®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Emissions: EPA compliant. Header Style: Long Tube. From the leader in the design,...
      $329.85 - $494.66
    • (0 reviews)
      # mpn3754521211
      GMC Sierra Denali 6.6L 2011, 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...
      Will help boost the performance of your vehicleMade to guarantee exceptional reliability
      $356.22
    • (0 reviews)
      # 466681127
      GMC Sierra Denali 2011, 304 SS Mill Collector Flange by Stainless Works®. Finish: Mill. Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion....
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $43.70
    • (0 reviews)
      # mpn358582413
      GMC Sierra Denali 6.0L / 6.2L 2011, 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
      $115.02
    • (0 reviews)
      # mpn358587986
      GMC Sierra Denali 6.0L 2011, 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...
      High quality at an affordable priceExpertly made from premium materials
      $11.79
    • (0 reviews)
      # 1022410095
      GMC Sierra Denali 6.0L 2011, 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 gaskets seal even imperfect flangesReusable
      $14.61
    • (0 reviews)
      # 652459804
      GMC Sierra Denali 6.0L 2011, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.16
    • (0 reviews)
      # 1022150079
      GMC Sierra Denali 6.0L 2011, 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)
      # 262494919
      GMC Sierra Denali 6.0L 2011, 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 - day after...
      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
      $28.79
    • (0 reviews)
      # mpn469957889
      GMC Sierra Denali 6.6L 2011, Exhaust Manifold Gasket by Merchant Automotive®.
      High quality at an affordable priceExpertly made from premium materials
      $46.85
    • (0 reviews)
      # 231283300
      GMC Sierra Denali 2011, 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
      $8.39 - $37.79
    • (0 reviews)
      # 652224842
      GMC Sierra Denali 2500 HD 2011, 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...
      Built to match your exact requirementsHigh quality you can rely on
      $53.17 - $105.69
    • (0 reviews)
      # 314959087
      GMC Sierra Denali 6.0L / 6.2L 2011, 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...
      High quality at an affordable priceExpertly made from premium materials
      $20.00 - $62.31
    • (0 reviews)
      # 231099707
      GMC Sierra Denali 2011, Cast Iron Natural Exhaust Manifold by Dorman®. Emissions: CARB compliant. Finish: Natural. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come....
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $60.95 - $129.95
    • (0 reviews)
      # 231099738
      GMC Sierra Denali 6.6L 2011, 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...
      Direct replacement for a proper fit every timeReplacement restores drivability and proper engine performance
      $27.95 - $42.95
    • (0 reviews)
      # mpn4476219268
      GMC Sierra Denali 6.6L 2011, 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)
      # 564724736
      GMC Sierra Denali 2011, 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
      $9.36 - $28.31
    • (0 reviews)
      # 231283294
      GMC Sierra Denali 2011, 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $9.15 - $27.06
    • (0 reviews)
      # 623457693
      GMC Sierra Denali 2011, 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.98 - $6.47
    • (1 review)
      # mpn260011023
      GMC Sierra Denali 6.0L / 6.2L 2011, 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.64
    • (1 review)
      # mpn260011023
      GMC Sierra Denali 6.0L / 6.2L 2011, 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.64
    • (0 reviews)
      # 1022636043
      GMC Sierra Denali 2011, 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
      $6.01 - $13.92
    • (0 reviews)
      # 960295124
      GMC Sierra Denali 2011, 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
      $6.01 - $13.92
    • (0 reviews)
      # mpn4483468136
      GMC Sierra Denali 6.6L 2011, 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)
      # mpn1151262264
      GMC Sierra Denali 6.0L 2011, 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $6.78
    • (0 reviews)
      # 276235988
      GMC Sierra Denali 6.0L / 6.2L 2011, 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...
      Direct replacement for a proper fitBuilt to Last
      $5.34 - $5.41
    • (3 reviews)
      # 231099665
      GMC Sierra Denali 6.0L / 6.2L without Air Injection without EGR System 2011, 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
    • (0 reviews)
      # 1092289839
      304 SS Turbo Exhaust Headers by Stainless Works®. Emissions: Racing Only. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention...
      $1,211.25 - $1,396.50
    • (0 reviews)
      # 1022100039
      Exhaust Headers by Torxe™. Emissions: Racing Only. 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...
      $150.00 - $303.75
    • (0 reviews)
      # mpn4494135843
      IMCA Circle Track Racing 4-1 304 SS Polished Long Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Finish: Polished. Color: Silver. Header Style: Long Tube. This...
      $292.50
    • (0 reviews)
      # mpn4494135672
      IMCA Stainless Steel Polished Mid-Length Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Finish: Polished. Color: Silver. Header Style: Mid-Length Tube. This...
      $225.00
    • (0 reviews)
      # mpn4494135483
      Lake Stainless Steel Polished Short Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Finish: Polished. Color: Silver. Header Style: Short Tube. This product is...
      $250.00
    • (0 reviews)
      # mpn4494135154
      T-Bucket Roadster Hoodless Stainless Steel Polished Long Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Finish: Polished. Color: Silver. Header Style: Long Tube....
      $315.00
    • (0 reviews)
      # 1022384115
      Block Hugger Short Tube Exhaust Headers by Flowtech®. Collector Outlet Diameter: 2.5". Emissions: Racing Only. Header Style: Short Tube. Flowtech Headers are the perfect combination of quality and value. This tight fit block hugger...
      +1
      $175.95 - $463.95
    • (0 reviews)
      # 1022111133
      Lakester™ Exhaust Headers by Flowtech®. Emissions: Racing Only. Flowtech Headers are the perfect combination of quality and value. Flowtech is proud to announce the release of a complete line-up of Lakester headers. These headers are...
      +1
      $427.95 - $536.95
    • (0 reviews)
      # 781697781
      Ram Horn Exhaust Manifold by Flowtech®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.25". Emissions: Racing Only. Flowtech exhaust manifolds are the perfect combination of quality and value. This Rams horn exhaust...
      +1
      $214.95 - $320.95
    • (0 reviews)
      # mpn4511866180
      Super Competition™ Stainless Steel Polished Short Tube Block Hugger Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Collector Length: 4". Emissions: Racing Only. Finish: Polished. Header...
      $812.95
    • (0 reviews)
      # 1022159046
      Exhaust Header 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 attention to detail to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $139.75 - $548.31
    • (0 reviews)
      # 1022124075
      Mild Steel Raw Header Flanges by Hedman Hedders®. Finish: Raw. Material: Mild Steel. Hedman Husler Hedder flanges are the same high quality, port matched flanges Hedman used to build all of their off the shelf race hedders.
      Made of High Quality MaterialsBuilt to Last
      $111.56 - $208.66
    • (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
      $74.23 - $203.95
    • (0 reviews)
      # mpn4511865314
      Super Competition™ Fiber Exhaust Header Gasket by Hooker®. Material: Fiber. Hooker's precision-matched Super Competition header gaskets provide a sure fit and unmatched exhaust sealing. This OEM quality gasket is constructed of a...
      Precision fit for improved sealingSteel core provides superior adhesion
      $13.47
    • (0 reviews)
      # mpn4498826994
      Exhaust Header Gasket 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 attention to detail to...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $12.85
    • (0 reviews)
      # 659607306
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 124 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607273
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 1625BASIC and 1625TTWCS. Quantity: 128 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $499.99
    • (0 reviews)
      # 659607249
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 248 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high cost and specialized nature of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $774.99
    • (0 reviews)
      # 659607225
      1625 Series 1-5/8" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 1625PRO and 1625TTWCS. Quantity: 252 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99




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    2011 GMC Sierra Denali Performance Headers Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    Gibson Headers
    Looks awesome on my truck, easy installation, will definitely buy again for another truck and the shipping and handling was good to I fully recommend to buy on your truck and performance was increased product was nice.
    EPosted by Eduardo (Gardengrove, CA) / September 9, 2017
    2013 GMC Sierra Denali
    Was this review helpful for you? Yes

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