Power and Beauty - Pulleys, Headers & Intake
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Here is a side by side of the stock manifold and the JBA header. JBA's headers keep the exhaust impulses from interacting with each other until they get to the collector, unlike the factory unit that has them interacting at different times after they leave the head. This cuts down on turbulence created and in turn improves flow and efficiency. View Related Article
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Hummer H3 Research
Read the latest reviews of the new H3, including multi-vehicle comparisons, long-term tests, first rides or detailed new-car road tests. The H3 has a V8 standard engine producing 239 horsepower, and has drivers side crash test ratings of 5 stars and passengers side crash test ratings of 4 stars. The Ford F350 and the Toyota Land Cruiser are other vehicles that might interest you.
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