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  Home > HUMMER H2 SUT > Performance >

Gibson Exhaust GP500
Gibson Exhaust GP500 KEY-GP500

Our Price: $501.45

Product Code: KEY-GP500

Description Technical Specs
For even greater gains in performance, discover the ultimate power system with Gibson headers. Every Gibson headers is dyno tuned and engineered to deliver more usable Horsepower and torque at low and mid range RPM highway speeds. Improves engine's ability to breathe and cooler operating engine temperature. Our headers are engineered as a direct replacement for the factory manifolds, using the stock crossover pipe. 50 State Emissions Legal, retaining all stock equipment. These headers will not the factory warranty. Gibson headers are designed for lowered and raised vehicles and for street and off-road use. Meets EPA and CARB requirements.

Style: Shorty
Flange Type: Stock
Flange Thickness: 3/8 Inch
Street Legal: Yes
Includes Bolts/Studs: Yes
Includes Gaskets: Yes
Includes Reducers: No
Finish: Chrome Plated
Color: Silver
Material: Steel
Primary Tube Diameter (IN): 1-1/2 Inch
Welding Required: No
  • Heavy-Duty 409L Stainless Steel 16 Gauge Tubing
  • High Temperature Coating To 1300 Degrees
  • Mandrel Bent Tubing
  • Heavy-Duty 3/8 Inch Thick Laser Cut Port Flanges
  • Premium Gaskets And Hardware
  • No Welding Required
  • Uses OEM Style Connections
  • Limited Lifetime Warranty
Average Customer Review: Average Customer Review: 4 of 5 4 of 5 Total Reviews: 1 Write a review.

  0 of 0 people found the following review helpful:
4 of 5 Fitment March 1, 2013
Reviewer: Rick D from Pasadena, MD  
First, the installation on my H2 was TOO bad but did take a while. It was actually harder to get the old ones off - GM heads have a habit of the nut breaking off in the rear. The headers fit really good with one exception. They seem a little longer and it makes the exhaust impact the skid grate under the vehicle. I had to add washers to lower the skid grate by about 1/2". The stock install left the vehicle with a vibration.

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