APWPART FINDER
My Vehicle Add New
  • Select Year
  • Select Make
  • Select Model
  • Select Submodel
  • Select Engine

Related Products

Headers for 2005 Hummer H2

We have 12 Items In-stock. Select your vehicle's Submodel to continue.

Gibson Headers

Gibson Headers, Gibson Performance, Stainless Steel, 4-1
Gibson Headers Gibson Headers
$539.82 List Price $1,030.41 Save $490.59 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: G27GP500SC
  • Color/Finish: Silver Ceramic
  • 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: 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
  • Number of Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 5/8 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Provision: EGR
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
Rating: (see review/s)

"Great way to get more performance. Great product a top quality product." posted by: fix it man on November 4, 2014 view all 2 reviews

Gibson Headers, Gibson Performance, Stainless Steel, 4-1
Gibson Headers Gibson Headers
$626.90 List Price $878.58 Save $251.68 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: G27GP500S
  • Color/Finish: Natural
  • 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: 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
  • Number of Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 5/8 in.
  • Primary Tube Thickness: 16 Gauge
  • Primary Tube Wall Thickness: 16-Gauge
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
Gibson Headers, Gibson Performance, Mild-Steel, 4-1
Gibson Headers Gibson Headers
$428.01 List Price $747.45 Save $319.44 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: G27GP500
  • Color/Finish: Chrome
  • 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: 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
  • Number of Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1 5/8 in.
  • Primary Tube Thickness: 14 Gauge
  • Primary Tube Wall Thickness: 14-gauge
  • Provision: EGR
  • Warranty: Lifetime Gibson limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base

JBA Headers

JBA Headers, JBA Cat4ward Shorty, Stainless Steel, 4-1
JBA Headers JBA Headers
$521.77 List Price $854.50 Save $332.73 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: J211850S3JT
  • Color/Finish: Titanium Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • EO Number: D-57-29 & D-57-25
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1.625 in.
  • Warranty: 1-year JBA limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
JBA Headers, JBA Cat4ward Shorty, Stainless Steel, 4-1
JBA Headers JBA Headers
$566.13 List Price $854.50 Save $288.37 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: J211850S3JS
  • Color/Finish: Silver Ceramic Coated
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • EO Number: D-57-29 & D-57-25
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Primary Tube Diameter: 1.625 in.
  • Warranty: 1-year JBA limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
JBA Headers, JBA Long Tube, Stainless Steel, Natural
JBA Headers JBA Headers
$410.32 List Price $659.98 Save $249.66 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: J216850S
  • 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: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • Head Flange Thickness: 3/8 in.
  • Header Style: Long Tube
  • Primary Tube Diameter: 1.75 in.
  • Warranty: 1-year JBA limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
JBA Headers, JBA Cat4ward Shorty, Stainless Steel, 4-1
JBA Headers JBA Headers
$446.26 List Price $659.77 Save $213.51 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: J211850S3
  • Color/Finish: Natural
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • Collector Attachment Style: Stock flange
  • EO Number: D-57-29 & D-57-25
  • Equal Length Primary Tubes: No
  • Head Flange Style: 1-Piece
  • Head Flange Thickness: 3/8 in.
  • Header Style: Shorty
  • Includes: Gasket(s)
  • Primary Tube Diameter: 1.625 in.
  • Primary Tube Wall Thickness: 14-gauge
  • Warranty: 1-year JBA limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
JBA Headers, JBA Long Tube, Stainless Steel, Silver Ceramic Coated
JBA Headers JBA Headers
$503.22 List Price $857.13 Save $353.91 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: J216850SJS
  • 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: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • Head Flange Thickness: 3/8 in.
  • Header Style: Long Tube
  • Primary Tube Diameter: 1.75 in.
  • Warranty: 1-year JBA limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
JBA Headers, JBA Long Tube, Stainless Steel, Titanium Ceramic Coated
JBA Headers JBA Headers
$503.22 List Price $857.13 Save $353.91 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: J216850SJT
  • 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: Kit
  • Anticipated Ship Out Time: 2-3 business days
  • Head Flange Thickness: 3/8 in.
  • Header Style: Long Tube
  • Primary Tube Diameter: 1.75 in.
  • Warranty: 1-year JBA limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base

Hedman Headers

Hedman Headers, Hedman Painted Hedders, Steel, 4-1
Hedman Headers Hedman Headers
$346.40 List Price $767.14 Save $420.74 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: H5669690
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts/ Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: Stock
  • Emissions Legality: 49-State Legal - no CA shipments
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 1/4 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Number of 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
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base
Hedman Headers, Hedman HTC Hedders, Steel, 4-1
Hedman Headers Hedman Headers
$699.13 List Price $1,424.28 Save $725.15 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: H5669696
  • Color/Finish: Metallic ceramic coated
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
  • Bolts/ Studs Included: Yes
  • Collector Attachment Style: Flange
  • Collector Diameter: Stock
  • Emissions Legality: 49-State Legal - no CA shipments
  • Gaskets Included: Yes
  • Head Flange Style: Standard
  • Head Flange Thickness: 1/4 in.
  • Header Style: Shorty
  • Includes: Premium gasket, installation hardware
  • Number of 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 with 5-year limited warranty on coating
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base

Borla Headers

Borla Headers, Stainless Steel, 4-1, Natural
Borla Headers Borla Headers
$698.99 List Price $824.81 Save $125.82 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
  • SKU#: B2517222
  • 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: 4-5 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
  • Number of Cylinders: 8
  • Port Shape: Round
  • Primary Tube Diameter: 1.625 in.
  • Primary Tube Thickness: 0.049 in.
  • Warranty: Million-mile Borla limited warranty
see more Fits the following 2005 Hummer H2 submodels:
  • 8 Cyl 6.0L | Base