2003 GMC Envoy Performance Headers

Show items:
Sort by:
Select Engine
  • Select Engine
  • 4.2L
  • 5.3L
    • (0 reviews)
      # 378614826
      GMC Envoy XL 5.3L 2003, 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 performance,...
      +1
      $255.91 - $556.88
    • (0 reviews)
      # 378614813
      GMC Envoy XL 5.3L 2003, 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 you. Carefully...
      $264.28 - $512.24
    • (0 reviews)
      # mpn358582413
      GMC Envoy XL 5.3L 2003, 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 specifically...
      High quality at an affordable priceExpertly made from premium materials
      $115.02
    • (0 reviews)
      # mpn4483467916
      GMC Envoy 2003, Graph-Flex Oval Header Flange Gasket 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
      $23.97
    • (0 reviews)
      # mpn4483468187
      GMC Envoy 2003, HTR Oval Collector Gasket 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
      $18.77
    • (0 reviews)
      # mpn4483468222
      GMC Envoy 2003, Seal-4-Good™ Oval Header Flange Gasket 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $35.11
    • (0 reviews)
      # mpn4483468121
      GMC Envoy 2003, XX Carbon™ Oval Exhaust Header 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $21.77
    • (0 reviews)
      # 314945199
      GMC Envoy XL 5.3L 2003, 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 directed. They are...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $46.80 - $62.31
    • (0 reviews)
      # 314945272
      GMC Envoy XL 5.3L 2003, 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 retainer...
      Thoughtfully designed for the highest efficiency and safetyWill provide more breakaway torque than any other locking system
      $20.00 - $62.31
    • (0 reviews)
      # 841724832
      GMC Envoy 2003, 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
      $118.95 - $119.95
    • (0 reviews)
      # mpn2095012639
      GMC Envoy / Envoy XL 4.2L 2003, Cast Iron 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...
      Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage
      $110.99
    • (0 reviews)
      # mpn888405507
      GMC Envoy XL 5.3L 2003, 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
      $9.18
    • (0 reviews)
      # 332859396
      GMC Envoy 2003, 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 meet...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $7.31 - $9.24
    • (0 reviews)
      # 623351691
      GMC Envoy XL 2003, 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 - $8.61
    • (0 reviews)
      # mpn603903
      GMC Envoy 2003, 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 technology and with...
      High quality at an affordable priceExpertly made from premium materials
      $8.01
    • (1 review)
      # mpn260011023
      GMC Envoy XL 5.3L 2003, 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.72
    • (1 review)
      # mpn260011023
      GMC Envoy XL 5.3L 2003, 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.72
    • (0 reviews)
      # 710745579
      GMC Envoy 2003, 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 your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $10.17 - $15.25
    • (0 reviews)
      # 960513621
      GMC Envoy XL 2003, Exhaust Pipe to 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 your needs...
      High quality at an affordable priceExpertly made from premium materials
      $6.16 - $8.54
    • (0 reviews)
      # 1022473167
      GMC Envoy XL 2003, Exhaust Pipe to 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 your needs...
      High quality at an affordable priceExpertly made from premium materials
      $6.16 - $8.54
    • (0 reviews)
      # 1091854820
      GMC Envoy 2003, 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 - $5.63
    • (0 reviews)
      # mpn2400737530
      GMC Envoy / Envoy XL 4.2L 2003, 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...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $5.82
    • (0 reviews)
      # 231086242
      GMC Envoy / Envoy XL 4.2L 2003, 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...
      Direct replacement for a proper fitBuilt to Last
      $5.34 - $5.81
    • (1 review)
      # 231304448
      GMC Envoy XL 5.3L 2003, 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...
      $349.99 - $449.99
    • (0 reviews)
      # mpn4351213861
      GMC Envoy XL 5.3L 2003, 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 customers in...
      $236.62
    • (0 reviews)
      # 262507092
      GMC Envoy 2003, 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. 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)
      # mpn4530554524
      GMC Envoy XL 5.3L 2003, Metal Exhaust Manifold to Cylinder Head Repair Clamp by Dorman®. Material: Metal. Easily repair exhaust leaks without removing broken manifold bolts with Dorman’s Exhaust Manifold to Cylinder Head Repair Clamp....
      Eliminates the need to remove cylinder head, saving you time and moneyReduces installation time
      $21.12
    • (0 reviews)
      # mpn4511866180
      Super Competition™ Stainless Steel Short Tube Block Hugger Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Collector Length: 4". Emissions: Racing Only. Header Style: Short Tube. All...
      $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)
      # 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)
      # 1022124075
      Mild Steel Header Flanges by Hedman Hedders®. 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)
      # 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)
      # 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 Long Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Color: Silver. Header Style: Long Tube. This product is made of...
      $292.50
    • (0 reviews)
      # mpn4494135672
      IMCA Stainless Steel Mid-Length Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Color: Silver. Header Style: Mid-Length Tube. This product is made of high-quality...
      $225.00
    • (0 reviews)
      # mpn4494135483
      Lake Stainless Steel Short Tube Exhaust Headers by Torxe™. Primary Tubing Diameter: 1.63". Collector Outlet Diameter: 3.5". Emissions: Racing Only. Color: Silver. Header Style: Short Tube. This product is made of high-quality materials...
      $250.00
    • (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...
      $1,271.81 - $1,466.33
    • (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)
      # 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
    • (0 reviews)
      # 659607333
      1625 Series 1-5/8" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1625CSS. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $599.99
    • (0 reviews)
      # 659607440
      1625 Series 1-5/8" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 1625PRO, PIV1000, 1625CSS, 1625TTWCS. Quantity: 256 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,399.99
    • (0 reviews)
      # 659607293
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Basic Kit by Icengineworks®. Quantity: 154 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)
      # 659607337
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 1750BASIC and 1750TTWCS. Quantity: 158 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)
      # 659607207
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Pro Kit by Icengineworks®. Quantity: 308 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)
      # 659607395
      1750 Series 1-3/4" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 1750PRO and 1750TTWCS. Quantity: 312 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
    • (0 reviews)
      # 659607401
      1750 Series 1-3/4" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1750CSS. Quantity: 5 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $699.99
    • (0 reviews)
      # 659607387
      1750 Series 1-3/4" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 1750PRO, PIV1000, 1750CSS, 1750TTWCS. Quantity: 317 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,499.99
    • (0 reviews)
      # 659607419
      1875 Series 1-7/8" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 1875CSS. Quantity: 5 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $749.99
    • (0 reviews)
      # 659607451
      2000 Series 2" 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 of...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $419.99
    • (0 reviews)
      # 659607284
      2000 Series 2" Outer Diameter Exhaust Modeling Block Basic Plus Kit by Icengineworks®. Including 2000BASIC and 2000TTWCS. Quantity: 128 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
      $499.99
    • (0 reviews)
      # 659607383
      2000 Series 2" 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
      $799.99
    • (0 reviews)
      # 659607374
      2000 Series 2" Outer Diameter Exhaust Modeling Block Pro Plus Kit by Icengineworks®. Including 2000PRO and 2000TTWCS. Quantity: 252 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $874.99
    • (0 reviews)
      # 659607412
      2000 Series 2" Outer Diameter Exhaust Tube-Cutting Tool System by Icengineworks®. Including PIV1000 and 2000CSS. Quantity: 4 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects. Because of the high...
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $649.99
    • (0 reviews)
      # 659607425
      2000 Series 2" Outer Diameter Modeling Exhaust Full System Kit by Icengineworks®. Including 2000PRO, PIV1000, 2000CSS, 2000TTWCS. Quantity: 256 Pieces. Exhaust headers and turbo manifolds can be time consuming and tedious projects....
      Made from high quality materials for ultimate qualityDesigned to get the most out of your exhaust system
      $1,499.99




    Related 2003 GMC Envoy Pages
    2003 GMC Envoy Models
    Low Prices Price match guarantee
    In-House Experts We know our products
    Guaranteed Fitment Always the correct part
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING