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Hummer H3 Long Tube Header, Up To 30HP Gain!

Hummer H3 Long Tube Header, Up To 30HP Gain!
Item# GIA-3303-3658
$869.99$848.95
Choose Your Engine Size: 
This item is currently out of stock!
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!