2003 to 2007 Hummer H2 Stainless Steel Headers - by Gibson Exhaust
Every Gibson Header 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.
Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal.
Meets EPA and CARB requirements. Will not affect the factory warranty.
Mandrel-bent tubing for optimum airflow and increased Horsepower. Heavy duty 3/8" thick laser cut port flanges-no warping or leaking. Bolt on installation- no welding required.
Attaches to the original equipment crossover pipe. Air injection & oxygen sensor fittings provided. Premium gaskets and hardware. OEM style connections.