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Run with the 4-barrel Holley and 1 ¾-inch headers, the test motor produced 418 hp at 5,900 rpm and 421 lb-ft of torque at 4,400 rpm.

Learn how a simple adjustment of your header configuration can greatly improve acceleration without significantly altering the peak power output of your motor.


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Headers can help you make more power, but they can also bring it down. We aren’t experts in the exhaustive arts, so we called in some favors from some of the leaders in the header world. These guys are experts, and they schooled us in the science of headers.


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If you’re talking cars and you drop the words hand-made or custom, the first thing that comes to mind is quality. Something that is hand-made will always have a personal and even a little mystical feeling to it. The guys at Kooks Custom Headers are people that believe in just that.


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