2009 GMC Sierra Denali Performance Headers

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    • (0 reviews)
      # 105140833
      GMC Sierra Denali 2009, Twisted Steel™ 409 SS 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...
      Optimized Tube Lengths Improve Flow and Performance100% hand MIG-welded construction ensures optimal strength and durability
      $829.00 - $1,629.00
    • (0 reviews)
      # 466683104
      GMC Sierra Denali 2009, 304 SS Header Off Road Assembly by Stainless Works®. Emissions: EPA compliant. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Color: Silver. Header Coating: Uncoated. Header Style: Long...
      304 Stainless Steel ConstructionTIG-Welded
      $1,539.00 - $1,729.00
    • (0 reviews)
      # 448205153
      GMC Sierra Denali 2009, Long Tube Exhaust Headers by Flowtech®. Emissions: EPA compliant. Collector Outlet Diameter: 3". Header Style: Long Tube. FLOWTECH headers are precision engineered and leak tested to get maximum performance...
      Mandrel-formed Power Plenum collectors for low backpressureLong transition collectors with merge spears for maximum flow and increased exhaust velocity
      $302.95 - $555.95
    • (0 reviews)
      # 448444958
      GMC Sierra Denali 2009, Shorty Exhaust Headers with Gaskets by Flowtech®. Emissions: EPA compliant. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube. Include all mounting hardware....
      Mandrel-bent tubing for smooth exhaust flowSturdy 16 gauge tubing
      $312.95 - $416.95
    • (0 reviews)
      # mpn358945626
      GMC Sierra Denali 2009, SuperMAXX Stainless Steel Natural Long Tube Exhaust Headers by Dynatech®. Collector Length: 4.25". Finish: Natural. Header Style: Long Tube. Includes: Hardware, Gasket(s). SuperMAXX Stainless Long Tube...
      Perfect, direct bolt-on fit+15 HP and 38.5 Ft. Lbs of Torque
      $899.99
    • (0 reviews)
      # mpn358954139
      GMC Sierra Denali 2009, SlickFit Exhaust Header by Advance Adapters®.
      $306.32
    • (0 reviews)
      # 221599993
      GMC Sierra Denali 2009, Cat4ward Stainless Steel Long Tube Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Header Style: Long Tube. Includes: Hardware, Gaskets. JBA long tube headers are the...
      3/8' thick CNC laser-cut flangesPatented JBA Firecone® merged collector
      $500.89 - $619.74
    • (0 reviews)
      # 221600004
      GMC Sierra Denali 2009, Cat4ward Stainless Steel Shorty Exhaust Headers by JBA®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Emissions: CARB compliant. Header Style: Short Tube. Includes: Hardware, Gaskets....
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $460.98 - $607.67
    • (0 reviews)
      # mpn1568054364
      GMC Sierra Denali Flex 2009, Mild Steel Armor Coated Long Tube Exhaust Headers by PaceSetter®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3". Emissions: EPA compliant. Finish: Armor Coated. Color: Chrome. Header...
      3/8” thick CNC-machined, port matched steel flanges1-7/8” or 1-3/4” 16-gauge mild steel, mandrel-bent primaries
      $503.04
    • (0 reviews)
      # 466963652
      GMC Sierra Denali 2009, 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...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $43.70
    • (0 reviews)
      # mpn358582413
      GMC Sierra Denali 2009, 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)
      # 332155368
      GMC Sierra Denali Flex 2009, 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...
      Made of High Quality MaterialsThe best combination of steel layers and high-temp gasket materials
      $13.35 - $23.29
    • (0 reviews)
      # mpn1903660760
      GMC Sierra Denali 2009, 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...
      Gaskets for every application, from mild to wildAluminum, copper or steel gaskets
      $8.15
    • (0 reviews)
      # 231099602
      GMC Sierra Denali 2009, Cast Iron Natural Exhaust Manifold by Dorman®. Finish: Natural. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete installation. Since this...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $66.95 - $98.95
    • (0 reviews)
      # 231283291
      GMC Sierra Denali 2009, Cast Iron 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...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $64.29 - $93.21
    • (0 reviews)
      # mpn888405507
      GMC Sierra Denali Flex 2009, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.36
    • (0 reviews)
      # mpn1520366
      GMC Sierra Denali 2009, 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 fitEnsure reliable sealing performance
      $9.12
    • (0 reviews)
      # 231099608
      GMC Sierra Denali 2009, Exhaust Manifold Hardware Kit by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. These exhaust flange hardware kits are made of steel with a black finish and...
      Direct replacement for a proper fitBuilt to Last
      $8.75 - $8.87
    • (0 reviews)
      # 314958934
      GMC Sierra Denali Flex 2009, Header Locking Bolt Kit by Stage 8®. Thread Pitch: 3/8"-16. Length: 3/4". Package: For 16 Points. Stage 8 manufacturers the World's Best Active Mechanical Locking systems. Stage 8 locking fastener...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $62.31
    • (0 reviews)
      # 285466057
      Universal Aluminized Steel Header Collector Ball Flange Kit by Flowmaster®. Material: Aluminized Steel. Includes: Bolts and Studs. The Collector Ball Flange takes the place of the messy three-bolt connections and ensures a...
      Replaces Messy 3-Bolt Flange ConnectionEnsures Leak Free Connection
      $101.48 - $101.98
    • (1 review)
      # 285466056
      Universal Scavenger Series Y-Collector by Flowmaster®. The patented Scavenger Y-Collector is based on the principles of Pulse Technology. They are designed to harmonize the exhaust pulses from two cylinders that are at the opposite...
      Race Proven TechnologyPatented Design that Creates Low Pressure Zones for Better Scavenging
      $48.74 - $55.38
    • (0 reviews)
      # 285466062
      Universal Header Merge Collector by MagnaFlow®. These headers are a cost effective an easy way to boost your vehicle's horsepower and torque in almost nothing flat. They are made of mandrel bent stainless steel with a ceramic...
      Easy and a cost effective solution to add horsepower and torque to your enginePrecisely designed for quality, fit and function
      $248.00 - $311.58
    • (0 reviews)
      # mpn1295593899
      Universal 304 SS 2-Bolt Manifold Flange by Stainless Works®. Primary Tubing Diameter: 3.02". Material: 304 SS. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $38.00
    • (0 reviews)
      # 466972652
      Universal Exhaust Header Reducers by Hedman Hedders®. Hedman reducers (exhaust system adapters) weld on to your exhaust system, so you can easily bolt up your Hedman Hedders to the vehicle’s exhaust.
      Available in Mild Steel, Aluminized Steel or Stainless SteelAll necessary hardware included
      $20.08 - $53.48
    • (0 reviews)
      # 466734101
      Universal Heat Riser Valve by Hedman Hedders®. Universal heat riser valve adapters are available in two and three bolt designs, and fit 2-1/2" and 3" collectors.
      Made of High Quality MaterialsEnsure Optimum Performance
      $52.72 - $76.21
    • (0 reviews)
      # 466746659
      Universal Ball-Socket Style Exhaust Flange Kit by Hedman Hedders®. Ball & Socket Header Flange Kits allow you to convert a gasket style, or race style header collector to a gasket-free Ball-Style Collector. Hedman’s gasketless,...
      Available in 304 Stainless Steel, Aluminized Steel, Mild SteelEasy to Install
      $28.13 - $138.07
    • (0 reviews)
      # 466877651
      Universal Header Reducers by Hedman Hedders®. Many of Hedman's newer hedder models utilize a ball & socket style collector. If your Hedman Hedders have thisstyle of collector they do not require a gasket.
      Made of High Quality MaterialsBuilt to Last
      $25.52 - $29.25
    • (0 reviews)
      # 466901649
      Universal Mild Steel Exhaust Headers Collectors by Hedman Hedders®. Material: Mild Steel. This Hedman Hedders 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...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $45.39 - $209.49
    • (0 reviews)
      # 466758648
      Universal Reducer by Flowtech®. Flowtech understands that when you purchase a set of headers, a muffler, or even an entire exhaust system, you want to know that you’re getting everything you need to complete the installation.
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $19.42 - $128.95
    • (0 reviews)
      # 285466054
      Universal Elbow Kit by Dynatech®. These Long Tube Pavement Late Model Headers are designed for use with Standard Chevy engines. The Long Tube design promotes excellent torque throughout the RPM range.
      35” Equal Length primaries for maximum Torque and HorsepowerValve covers are removable with headers installed
      $105.99 - $109.99
    • (0 reviews)
      # 285466053
      Universal High-Velocity Merge Collector by Dynatech®. Dynatech Merge Collectors are an excellent way to maximize the potential of your exhaust system. When your exhaust system requires the maximum horsepower, a set of Dynatech...
      Maximizes the potential of the exhaust systemMade of High Quality Materials
      $199.99
    • (0 reviews)
      # 466303475
      Universal Aluminized Steel 3-Bolt Flange Header Buddy Reducer by Jones Exhaust®. Material: Aluminized Steel. Thoroughly engineered to perform and outperform any competition, these premium exhaust pipes by Jones Exhaust are a must...
      High quality at an affordable priceExpertly made from premium materials
      $33.06 - $33.46
    • (0 reviews)
      # mpn478097096
      Universal Aluminized Steel 3-Bolt Flange Header Collector Extension by Jones Exhaust®. Material: Aluminized Steel. This Jones Exhaust product is just the option for you in case you want to get the most out of your auto. It is made...
      High quality at an affordable priceExpertly made from premium materials
      $18.97
    • (0 reviews)
      # 285466061
      Universal Aluminized Steel 3-Bolt Flange Header Collector Extension by Jones Exhaust®. Material: Aluminized Steel. This Jones Exhaust product is just the option for you in case you want to get the most out of your auto. It is made...
      High quality at an affordable priceExpertly made from premium materials
      $10.08 - $12.98
    • (0 reviews)
      # 285466065
      Universal 3 Bolt Style Exhaust Collector Flange Kit by Patriot Exhaust®. Flange kits include two flanges, gaskets and flange bolts. All round collector flanges include two block off plates and two flanges. 4-gauge flange thickness....
      Welding Required: YesCollector Ring Finish: Natural
      $12.97 - $17.38
    • (0 reviews)
      # 285466066
      Universal Collector Reducer by Patriot Exhaust®. Patriot Exhaust collector reducers are zinc plated to minimize corrosion while providing a weldable finish. All collector reducer kits come with two reducers, gaskets and flange bolts.
      Zinc plated to minimize corrosionWeld on reducers
      $25.80 - $31.60
    • (0 reviews)
      # 378475798
      Universal Exhaust Turnout Kit by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...
      Expertly crafted from premium materialsQuality design and workmanship
      $87.02 - $151.76
    • (0 reviews)
      # 285466064
      Universal 4-1 Formed Collectors by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...
      Expertly crafted from premium materialsQuality design and workmanship
      $37.60 - $89.19
    • (0 reviews)
      # mpn358950043
      Universal Dome Style Reducer by Patriot Exhaust®. This superior Patriot EXhaust product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built...
      Expertly crafted from premium materialsQuality design and workmanship
      $36.04
    • (0 reviews)
      # 466960655
      Universal Slip Over Header Collector 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $45.56 - $225.50
    • (0 reviews)
      # 266461865
      Universal 2 into 1 Y-Pipe Collector 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $103.05 - $114.51
    • (0 reviews)
      # 466906651
      Universal 3-Bolt Exhaust Header Collector Flange 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $5.98 - $6.36
    • (0 reviews)
      # 266461864
      Universal Collector Insert Reducer 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...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $21.19
    • (1 review)
      # mpn753352383
      Universal Header Reducer by BTP®. Each. This premium quality part by BTP helps your exhaust system to perform at its full efficiency as well as provide your vehicle with a more aggressive and powerful sound. This part is made from...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $10.46
    • (0 reviews)
      # 285466063
      Universal Manifold Clamp-A-Stud by Nickson®. 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 deliver...
      Expertly crafted from premium materialsQuality design and workmanship
      $27.20
    • (0 reviews)
      # 171670471
      Universal Hand Merge Collector by Kooks®. With 9-10" long body. Plus 2" for slip on stub section. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $118.93 - $434.57
    • (0 reviews)
      # 171670486
      Universal Steel Female Flare Connector by Kooks®. Material: Steel. 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...
      Made of high Quality MaterialsDesigned to match rigorous quality standards
      $32.16 - $64.33
    • (0 reviews)
      # 171670709
      Universal Weld-On Reducer Cone Collector 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $28.70 - $53.30
    • (0 reviews)
      # 171670489
      Universal Stainless Steel Female Ball Socket Connection Kit by Kooks®. Material: Stainless Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Made of high Quality MaterialsDesigned to match rigorous quality standards
      $58.16 - $257.36
    • (0 reviews)
      # 168439245
      Universal Aluminized Steel Exhaust Header Reducer by DynoMax®. Material: Aluminized Steel. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job....
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      $29.20 - $33.31
    • (0 reviews)
      # 142860869
      Universal Terminator™ 3-Bolt Street Hookup Reducer by Flowtech®. Terminator fully-welded reducers/street hookups are designed to be used behind three-bolt design collectors and help make any header installation complete.
      Fully-welded constructionDurable 16 gauge construction
      $39.48
    • (0 reviews)
      # 399569638
      Universal 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 tubes and two collector cones. Give your...
      Give your rod a nostalgic lookWeld-up header kits work great for people who want to build custom headers
      $434.86 - $458.47
    • (0 reviews)
      # 466824648
      Universal 3-Bolt Collector Ring by Hedman Hedders®. Get the most out of your vehicle with this superior product painstakingly designed to provide outstanding quality and uncompromising reliability. It is manufactured from durable...
      Crafted from first-rate materialsMade to strict quality standards
      $5.70 - $7.09
    • (0 reviews)
      # 466705097
      Universal Collector Gasket by Hedman Hedders®. To ensure optimum performance of your Hedman Hedders, always use these genuine Hedman Hedders replacement gaskets.
      Made of High Quality MaterialsEnsure Optimum Performance
      $5.74 - $7.68
    • (0 reviews)
      # mpn1673775281
      Universal Exhaust Manifold Flange by Vibrant Performance®. Do you want to get more power out of your vehicle? Then this superior Vibrant Performance product is just for you. Carefully designed for maximum performance, is will more...
      Made of High Quality MaterialsAvailable in different sizes
      $146.21
    • (0 reviews)
      # mpn458111276
      Universal J-SPEC Header Outlet Flange Kit by Vibrant Performance®. This kit consists of a 2-bolt connecting flange (with a flared outlet neck) and a 2.5" Inlet Diameter donut style Graphite Gasket. Features 45 mm O.D. primaries...
      Made of High Quality MaterialsDirect Fit
      $48.09
    • (0 reviews)
      # 466964648
      Universal Collector Gasket 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....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.69
    • (0 reviews)
      # 466762653
      Universal Exhaust Flange 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....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.17 - $98.42
    • (0 reviews)
      # 368257923
      Universal Exhaust Header Gasket 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...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $13.69 - $28.12
    • (0 reviews)
      # mpn1300425201
      Universal Thermal Insulating Laminate 3-Bolt Exhaust Header Gasket by DynoMax®. DynoMax has you covered with a full line of accessories and hardware needed to do the complete exhaust job, from clamps to hangers. These small yet...
      Designed to do the exhaust job quickly and easilyOE-style fit, design, and finish
      $9.00





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