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$428.49 from $677.96

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  • In Stock
  • Ships out in 2-3 business days
  • FREE SHIPPING
  • Set of 2
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  • 5 5 out of 5 stars
    (2 customer reviews)

  • Part #: G27GP129
  • Mfr #: GP129
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2007-2009 Hummer H2 Headers - Gibson - Gibson Performance, Chrome, Steel, 4-1, 49-state legal - no CA shipments, Direct fit

  • Product Details
  • Manufacturer Info
  • Extended Warranty
  • Related Products
  • Fitment Info
GIBSON PERFORMANCE HEADERS, STAINLESS STEEL, NICKEL CHROME PLATED, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 14-gauge tube wall thickness, stock flange connector, 0.375 in. standard head flange; Premium gasket and installation hardware included; Shorty style; Round head port; Direct fit bolt-on replacement for factory exhaust manifold; Made of nickel chrome plating heavy duty 14-gauge mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; They feature heavy duty 0.375 in. thick laser cut port flanges and OEM style connections; They attach to OE crossover pipe; Dyno-tuned and engineered to deliver more usable horsepower and torque; These headers increase the engine's efficiency by allowing it to breathe easier and run at cooler temperature; Well suited for lowered and raised vehicles, street, and off-road; Dyno tested to perform best with Gibson's cat-back exhaust system; For vehicles without EGR and air injection.
  • Series: Gibson Performance
  • Material: Steel
  • Design: 4-1
  • Color/Finish: Chrome
  • Emissions: 49-state legal - no CA shipments
  • Product Fit: Direct fit
  • Quantity Sold: Set of 2
  • Anticipated Ship Out Time: 2-3 business days
  • Collector Attachment Style: Stock flange
  • Collector Diameter: Stock
  • Equal Length Primary Tubes: No
  • Head Flange Style: Standard
  • Head Flange Thickness: 0.38 in.
  • Head Port Shape: Round
  • Includes: Premium gasket, installation hardware
  • Number of Cylinders: 8
  • Primary Tube Diameter: 1.63 in.
  • Primary Tube Wall Thickness: 14-gauge
  • Provision: EGR
  • Warranty: Lifetime Gibson limited warranty
This product fits the following Hummer H2 submodels
  • 2007-2009: All Submodels; All Engines;

Product reviews

Gibson Shorty Headers by , August 26, 2009

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Went on pretty straight forward. Only issue was they were too close to a metal shroud, made noise. Went back and bent shroud easily. Now perfect, and look real good.


by , July 31, 2009

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Ease of Use/Installation:
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Overall Rating:

I have not put these on yet. They look great, and the price was certainly right.