Hummer H3 Long Tube Header System Up to 30HP Gain!

GIA_3303-3658
$848.95
Hummer H3 Long Tube Header System  Up to 30HP Gain!
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Hummer H3 Long Tube Header System Up to 30HP Gain!

GIA_3303-3658
$848.95

Normally: $1,049.95

Choose Your Engine Size:

Product Details


3.5L and 3.7L models are available, constructed of super heavy gauge T304 stainless tubing and 3/8 THICK flanges. Result in great throttle response increase as well as 20-30 horsepower. Removes the factory catalytic. Add computer tuning, a cat back exhaust, and air intake for more GAINS!