2012 Chevy Avalanche Performance Headers

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    • (1 review)
      # 231014232
      Chevy Avalanche LS / LT / LTZ 2012, Perfromance Headers by Gibson®. Let your engine breathe and gain power and performance with Gibson Performance Headers. These headers will flow much more exhaust than your restrictive factory...
      Increases low and mid-range horsepower and torqueIncreases engine efficiency
      $428.84 - $591.20
    • (0 reviews)
      # 142861620
      Chevy Avalanche 2012, Long Tube Headers by Flowtech®. Collector Outlet Diameter: 3". Carb Compliant: No. Material: Mild Steel. FLOWTECH headers are precision engineered and leak tested to get maximum performance and fuel economy...
      Mandrel-formed Power Plenum collectors for low backpressureConstructed of .060 cold roll flash mild steel tubing
      $302.95 - $555.95
    • (0 reviews)
      # 231160287
      Chevy Avalanche 2012, Shorty Headers by Flowtech®. 1.625" Diameter, 2.5" Collector Diameter. Include all mounting hardware Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Carb Compliant: No. This product is made...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $312.95 - $416.95
    • (0 reviews)
      # 221599902
      Chevy Avalanche 2012, Cat4ward Full-Length Header by JBA®. Primary Tube Diameter: 1-5/8". Collector Diameter: 3". JBA long tube headers are the number one choice for maximum performance gains and high RPM efficiency. These long...
      3/8' thick CNC laser-cut flangesPatented JBA Firecone® merged collector
      $479.33 - $607.59
    • (0 reviews)
      # 221599910
      Chevy Avalanche W/O EGR System 2012, Cat4ward Shorty Header by JBA®. Primary Tube Diameter: 1-5/8". Collector Diameter: 2.5". JBA shorty headers are one of the best performance upgrades available for any application. Hot Rod...
      Mandrel-bent stainless steel primary tubesPatented JBA Firecone® collector
      $440.92 - $595.75
    • (0 reviews)
      # 231031314
      Chevy Avalanche 2012, Block Steel™ Black Steel Exhaust Header by BTP®. Headers "Block Hugger", 1955-up SB Chevy 265-283-305-327-350-400 (Black Steel). Set. Material: Black Steel. Series: Block Steel™. Heavy Duty 1-5/8" Steel...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $136.80
    • (0 reviews)
      # 231014170
      Chevy Avalanche 2012, Exhaust Headers by PaceSetter®. Carb Compliant: No. Material: Mild Steel. From the leader in the design, manufacture and distribution of affordably priced, quality made performance exhaust products. You can...
      3/8” thick CNC-machined, port matched steel flanges1-7/8” or 1-3/4” 16-gauge mild steel, mandrel-bent primaries
      $266.52 - $443.87
    • (0 reviews)
      # 79634439
      Chevy Avalanche For Stock Or CNC Ported Heads 2012, Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange surfaces aren't...
      Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won't stick to headers or cylinder head
      $39.99
    • (0 reviews)
      # 245514359
      Chevy Avalanche LS / LT / LTZ 2012, Header Gasket by Howe Racing Enterprises®. 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...
      Built to match your exact requirementsHigh quality you can rely on
      $11.68
    • (0 reviews)
      # 262501735
      Chevy Avalanche 2012, 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...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $23.83 - $31.98
    • (0 reviews)
      # 262499983
      Chevy Avalanche 2012, Manifold/Header Gasket by Remflex®. Set of 2. 1-7/8" D Round Port. Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $27.99
    • (0 reviews)
      # 262500034
      Chevy Avalanche 2012, Y-Pipe-to-Rear-Pipe Adaptor Gasket by Remflex®. 1 Peace. 4-11/16" Bolt Center-to-Bolt Center measurement across the 2" Dia Port. 5" Bolt Center-to-Bolt Center measurement across the 2-3/4" Port. 1 Port = 2"...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $19.07
    • (0 reviews)
      # 231162837
      Chevy Avalanche 2012, Bolt Set by Mr. Gasket®. 12 Pieces. 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...
      $8.15
    • (0 reviews)
      # 231014210
      Chevy Avalanche 2012, Exhaust Manifold by Dorman®. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete installation. Since this part is a direct replacement, the...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $66.95 - $164.05
    • (0 reviews)
      # 231160290
      Chevy Avalanche 2012, Exhaust Manifold by ATP®. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts specifications, to ensure it will install and...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $70.88 - $101.99
    • (0 reviews)
      # 231161479
      Chevy Avalanche 2012, GM Original Equipment™ Manifold Gasket by ACDelco®. 12 Months, 12,000 Miles (Parts Only) Series: GM Original Equipment™. Designed utilizing the latest technology, this product by ACDelco features premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $13.51
    • (0 reviews)
      # 266461440
      Chevy Avalanche LS / LT / LTZ 2012, Header Bolts by Milodon®.
      Designed to boost your vehicle's performanceMade from high-quality materials
      $6.95
    • (0 reviews)
      # 266461439
      Chevy Avalanche LS / LT / LTZ 2012, Header Stud Kit by Milodon®.
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $71.95
    • (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
      $34.00
    • (0 reviews)
      # mpn584304642
      Universal Afterburner™ Thrust Toobs Headers Extension by Flowtech®. 3" Inlet, 12" Long, 3-Bolt, Package contains one pair Series: Afterburner™. Afterburner Thrust Toobs used with open headers are designed to complete the system...
      Expertly crafted from premium materials3-Bolt, 3” ID, 12” Long
      $38.44
    • (0 reviews)
      # 266461787
      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)
      # mpn358582413
      Chevy Avalanche 2012, Aluminum Header Flange Kit by Moroso®. Material: Aluminum.
      $133.26
    • (0 reviews)
      # 255773604
      Universal Collector Gaskets by JBA®. JBA is proud to offer accessories to aid in the fitment of your JBA exhaust product. This product is made of high-quality materials to serve you for years to come. Designed using...
      JBA's premium header flange gaskets are made extra thick from a specially made formulated gasket materialTheir gaskets are rated up to 1100 F
      $11.97 - $13.70
    • (0 reviews)
      # 266461866
      Universal 2 into 1 Y-Pipe Collector by Schoenfeld Headers®. 1 Piece. 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
      $101.03 - $112.26
    • (0 reviews)
      # 266461864
      Universal 3 Bolt 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 meticulous...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $5.86 - $6.24
    • (0 reviews)
      # 266461865
      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
      $20.77
    • (0 reviews)
      # 266461872
      Universal Slip Over 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 attention...
      Engineered to enhance your vehicle's performanceMade to stringent quality standards
      $44.67 - $221.08
    • (0 reviews)
      # 266461831
      Universal Ball-Socket 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, Ball &...
      Available in 304 Stainless Steel, Aluminized Steel, Mild SteelEasy to Install
      $26.79 - $152.89
    • (0 reviews)
      # 266461804
      Universal 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
      $19.43 - $51.27
    • (0 reviews)
      # 266461856
      Universal Husler Race Hedder 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
      $25.02 - $28.68
    • (0 reviews)
      # 266461860
      Universal Mild Steel Header Collectors by Hedman Hedders®. 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 materials to provide the highest level...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $45.51 - $205.38
    • (0 reviews)
      # 171670489
      Universal Ball and Socket Connector 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...
      Made of high Quality MaterialsDesigned to match rigorous quality standards
      $58.16 - $257.36
    • (0 reviews)
      # 171670471
      Universal 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 customers in...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $118.93 - $434.57
    • (0 reviews)
      # 171670709
      Universal Collector Weld-On Reducer Cone 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
      $16.40 - $53.30
    • (0 reviews)
      # 142860869
      Universal Terminator™ Reducer Street Hookup by Flowtech®. 3-Bolt. 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)
      # 171670484
      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)
      # 171670688
      Universal Exhaust 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 - $28.12
    • (0 reviews)
      # 171670635
      Universal Steel Exhaust Flange 3" 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
      $13.17 - $98.42
    • (0 reviews)
      # 266461774
      Universal Real-Seal™ Collector Gasket Kit by Flowtech®. Series: Real-Seal™. Flowtech Real-Seal collector gaskets are a revolutionary break-through exhaust sealing technology. Constructed of separate layers of "Dead Soft"...
      Multi-Layer "Dead Soft" aluminum conforms to create a leak proof sealWater - Weather Resistant
      $21.79 - $23.88
    • (0 reviews)
      # 266461803
      Universal Heat Screen by Design Engineering®. 1 Piece.
      $75.07 - $99.74
    • (0 reviews)
      # mpn359115759
      XX Carbon Header Gasket Material, 6" x 24" by Percy's High Performance®. These gaskets are designed to give the performance you expect at a price you can afford. Our XX Carbon gaskets are made of Taylor's proprietary 100% carbon...
      Limited Lifetime Replacement WarrantyWithstands Long Term Exposure To Over 2000 Degrees
      $26.43
    • (0 reviews)
      # mpn358503389
      Universal Collector/Reducer Flange Gasket by Remflex®. Set of 2. Port Size across the center of the gasket - Width 3-1/8", Height 2-7/8". Bolt Center to Bolt Center - Width 3-7/8", Height 3-11/16". 4-Bolt Holes. Remflex's unique...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $15.99
    • (0 reviews)
      # mpn3242574497
      Universal Display Gasket Kit 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, week after...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $472.75
    • (0 reviews)
      # 262500427
      Universal Exhaust Collector 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 day, week...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $8.14 - $14.67
    • (0 reviews)
      # 262500454
      Universal Exhaust Flange 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 day, week...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $7.19 - $12.79
    • (0 reviews)
      # 262500472
      Universal Exhaust Header Gasket by Remflex®. Set of 2. 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...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $16.15 - $39.97
    • (0 reviews)
      # 262500488
      Universal Gasket Sheet by Remflex®. 1 Peace. 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, week...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $23.83 - $44.25
    • (0 reviews)
      # mpn3242574414
      Universal Y-Pipe Flange Gasket by Remflex®. 1 Peace. (2) 1-1/2" D Round Ports, with 3 Bolt Holes, Bolt Hole Spacings (A) 4-5/8" x (B) 3-5/16". Remflex's unique flexible graphite material has been proven for more than 30 years in...
      Remflex exhaust gaskets come in a standard 1/8" thickness and are designed to crush 50%. This allows them to fill gaps in the flange surface up to 1/16"100% flexible graphite construction means Remflex gaskets are good for up to 3,000 degrees F - far exceeding that of any vehicle's exhaust system temperature
      $10.28
    • (0 reviews)
      # 213768930
      Universal Aluminized Heat Barrier by Thermo-Tec®. 1 Piece. The Aluminized Heat Barrier is made up of woven silica with a flexible aluminized finish. The highly-reflective surface of the material is capable of withstanding radiant...
      Designed to provide the ultimate in heat protectionTested to deliver exceptional quality
      $95.03 - $1,264.89
    • (0 reviews)
      # 213768933
      Universal Anodized Heat Barrier by Thermo-Tec®. 1 Piece. Anodized Gold Heat Barrier is a high tech heat barrier with a bright anodized gold finish. Anodizing is a process where the aluminum foil finish is made stronger and more...
      Bright, attractive anodized gold finishAggressive adhesive that adheres to any surface
      $53.41 - $186.11
    • (0 reviews)
      # 213768937
      Universal Black Graphite Exhaust Insulating Header Wrap by Thermo-Tec®. Wrapping headers and exhaust maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust scavenging is produced,...
      Withstands continuous heat up to 2000 degreesLow profile. Only 1/16" thick
      $13.69 - $102.76
    • (0 reviews)
      # 213768947
      Universal Carbon Fiber Exhaust Insulating Wrap by Thermo-Tec®. 1 Piece. Wrapping headers and exhaust maintains hotter exhaust gases that exit the system faster through decreased density. Increased exhaust scavenging is produced,...
      Withstands Heat Up To 2000 degreesMade From Lava Rock
      $44.30 - $66.28
    • (0 reviews)
      # 213768976
      Universal Exhaust Insulating Header Wrap by Thermo-Tec®. Exhaust Wrap is an innovative way to create more horsepower and reduce under-hood temperatures. The original Exhaust Insulating Wrap was developed over 25 years ago by...
      Designed to provide the ultimate in heat protectionTested to deliver exceptional quality
      $12.73 - $262.89
    • (0 reviews)
      # 213768983
      Universal Exhaust Insulating Wrap Kit by Thermo-Tec®. Comes in a kit. Includes Exhaust Insulating Wrap, Hi-Heat Coating and Snap Strap. Available in Black and Original. Now you can get everything you need for a complete,...
      Designed to provide the ultimate in heat protectionTested to deliver exceptional quality
      $75.57 - $142.36
    • (0 reviews)
      # 213768995
      Universal Generation 2 Copper Header Wrap by Thermo-Tec®. 1 Piece. Generation 2 Copper Exhaust Wrap is sold in one or two inch wide, 50 foot rolls with a low profile 1/16" thickness. Generation 2 Copper Header Wrap improves heat...
      Designed to provide the ultimate in heat protectionTested to deliver exceptional quality
      $39.94 - $62.89
    • (0 reviews)
      # 213768998
      Universal Header Manifold Blanket by Thermo-Tec®. This flexible heat shield simply clips into place on the upper portion of the header. The fabric side of the material should be facing the heat source and can withstand direct heat...
      Deflects up to 750 degrees Fahrenheit in direct contactDeflects up to 2000 degrees Fahrenheit radiant heat
      $93.63 - $99.60
    • (0 reviews)
      # 213769020
      Universal High Velocity Exhaust Jackets by Thermo-Tec®. Comes in a kit. Includes pinch clips. The new quick-wrap high-velocity Exhaust Jackets are an innovative way to insulate and block radiant heat. The jackets cover the tubes...
      Insulates And Blocks Radiant HeatExpertly crafted from premium materials
      $80.45 - $102.90
    • (0 reviews)
      # mpn362820148
      Universal Kevlar Heat Barrier by Thermo-Tec®. 1 Piece. 26" x 40". The Kevlar Heat Barrier is made from Kevlar with a Mylar finish. The Barrier can withstand up to 3000 degrees F of radiant heat and can withstand direct contact up...
      Designed to provide the ultimate in heat protectionTested to deliver exceptional quality
      $121.54
    • (0 reviews)
      # 213769026
      Universal Micro Louver Air Shield by Thermo-Tec®. 1 Piece. Lightweight yet durable, the aluminum Micro Louver Air Shield features micro air louvers, which allow air to flow through the metal shield. The movement of the vehicle...
      Easy to bend and formLightweight and durable
      $40.47 - $107.18
    • (0 reviews)
      # 213769030
      Universal Platinum Exhaust Insulating Wrap by Thermo-Tec®. 1 Piece. Made using volcanic rock which is naturally resistant to heat. Helps reduce underhood temperatures, can withstand radiant heat up to 2000 degrees F and can add...
      Withstands continuous heat up to 2000 degreeDesigned to match rigorous quality standards
      $40.34 - $67.68




    2012 Chevy Avalanche Performance Headers Reviews

    Average rating:  4.5  4.5 - 39 reviews
    5 of 5
    CanAmMex® 00747-212 - Thunderbolt™ Hi-Polished Single Rolled Angled Oval Tip
    These appear to be of very good quality, good welds.
    JPosted by John (Enfield, CT) / February 24, 2016
    Was this review helpful for you? Yes
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