Hummer H2 Gibson Headers. Every Gibson Header is performance tuned and engine matched to unleash your vehicles full potential. All Headers are emission legal in all 50 states and do not affect vehicle warranty. They are well suited for lowered or raised pickups and tow vehicles because the performance gains are engineered to come in at low and mid-range RPM-highway speeds.
Features: Gibson Headers feature mandrel bent heavy gauge tubing, and are available in nickel chrome plating or stainless steel. Includes premium gaskets and hardware, easy bolt-on and installation. You'll notice increased horsepower, better fuel economy, improved performance and response, cooler engine temperatures, as well as a longer living engine.