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Hummer Headers

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Hummer Headers, Gibson Performance Headers - Natural, Stainless Steel, 4-1, Direct Fit

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$408.36 $878.58 You Save $470.22 (54%)
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GIBSON – PERFORMANCE HEADERS

Gibson’s Performance Headers are proven to increase horsepower by an impressive 20 hp and torque by as much as 30 l...(see more)

  • Brand SKU#: Gibson GP129S
  • Series: Gibson Performance
  • Material: Stainless Steel
  • Design: 4-1
  • Color/Finish: Natural
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: OE Style Flange
  • Collector Diameter: Stock
  • Equal Length Primary Tubes: No
  • Gaskets Included: Premium Carbon Composite Gasket
  • Head Flange Style: Stock
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty Tuned
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1.5 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Warranty: Lifetime Gibson limited warranty
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Fits the following Hummer Models

  • H2 | Base | 8 Cyl 6.0L | 8 Cyl 6.2L

Hummer Headers, JBA Cat4ward Shorty Headers - Titanium Ceramic Coated, Stainless Steel, 4-1, Direct Fit

$531.01 $854.50 You Save $323.49 (38%)
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JBA – CAT4WARD SHORTY HEADERS

Want to find a way to unleash extra horsepower and torque from your engine and stay smog legal in all 50 states? JBA offers just what you...(see more)

  • Brand SKU#: JBA 1850S-3JT
  • Series: JBA Cat4ward Shorty
  • Material: Stainless Steel
  • Design: 4-1
  • Color/Finish: Titanium Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D-57-29 & D-57-25
  • Anticipated Ship Out Time: 2-3 business days
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1.625 in.
  • Warranty: 1-year JBA limited warranty
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Fits the following Hummer Models

  • H2 | Base | 8 Cyl 6.0L

Hummer Headers, Hedman Painted Hedders Headers - Black, Steel, 4-1, Direct Fit

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$351.63 $767.14 You Save $415.51 (54%)
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HEDMAN – PAINTED HEDDERS

Is that power-robbing stock manifold still on your vehicle? If you answered yes, then replace it with a Hedman Painted Header to lower your op...(see more)

  • Brand SKU#: Hedman 69690
  • Series: Hedman Painted Hedders
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Black
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • E O Number: D167-31
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: Stock
  • Emissions Legality: 50-State Legal
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 1/4 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1.63 in.
  • Primary Tube Thickness: 18 Gauge
  • Primary Tube Wall Thickness: 18-gauge
  • Warranty: Lifetime Hedman limited warranty
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Fits the following Hummer Models

  • H2 | Base | 8 Cyl 6.0L

Hummer Headers, Flowtech Block Hugger Headers - Black, Steel, 4-1, Universal

$162.95 $192.28 You Save $29.33 (15%)
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Availability: In Stock
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FLOWTECH UNIVERSAL STANDARD BLOCK HUGGER HEADERS, BLACK -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube size; 2.5 in. collector ...(see more)
  • Brand SKU#: Flowtech 11000
  • Series: Flowtech Block Hugger
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Universal
  • Quantity Sold: Kit
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flanged
  • Collector Diameter: 2.5 in.
  • Gaskets Included: Yes
  • Head Flange Thickness: 5/16 in.
  • Header Style: Shorty
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 5/8 in.
  • Primary Tube Wall Thickness: 16-Gauge
  • Warranty: 90-day Flowtech warranty
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Fits the following Hummer Models

  • H1 | Alpha | 8 Cyl 6.6L

Hummer Headers, Flowmaster Scavenger Elite Headers - Silver Ceramic Coated, 409S Stainless Steel, Direct Fit

$662.32 $865.78 You Save $203.46 (24%)
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FLOWMASTER  – SCAVENGER SERIES ELITE HEADERS

Flowmaster’s Scavenger Series Elite headers allow you to get rid of that archaic stock manifol...(see more)

  • Brand SKU#: Flowmaster 814123
  • Series: Flowmaster Scavenger Elite
  • Material: 409S Stainless Steel
  • Color/Finish: Silver Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flanged
  • Collector Diameter: 2.5 in.
  • Gaskets Included: Yes
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1 5/8 in.
  • Primary Tube Thickness: 14 Gauge
  • Warranty: 3-year Flowmaster limited warranty
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Fits the following Hummer Models

  • H2 | Base | 8 Cyl 6.0L | 8 Cyl 6.2L
Customer Review: (see review/s)

Hummer Headers, Borla Headers - Natural, Stainless Steel, 4-1, Direct Fit

$803.99 $948.71 You Save $144.72 (15%)
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BORLA HEADERS, STAINLESS STEEL, NATURAL FINISH, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Includes hardware and required gaskets...(see more)
  • Brand SKU#: Borla 17222
  • Material: Stainless Steel
  • Design: 4-1
  • Color/Finish: Natural
  • Emissions: Not Street Legal In Ca Or Any State Adopting Ca Emissions - Intended For Closed Circuit Competition Use Only
  • Product Fit: Direct Fit
  • Quantity Sold: Set of 2
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 3-4 business days
  • Bolts Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: 2.5 in.
  • Equal Length Primary Tubes: No
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 0.375 in.
  • Header Style: Shorty
  • Includes: Gasket(s)
  • Notes: May require cutting of the factory exhaust and welding for the installation
  • Numberof Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1.625 in.
  • Primary Tube Thickness: 0.049 in.
  • Warranty: Million-mile Borla limited warranty
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Fits the following Hummer Models

  • H2 | Base | 8 Cyl 6.0L

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