We had several different options for the exhaust system and headers on our 1963 Nova project car. We looked into everything from mild, shorty header/chambered muffler combinations, to ultra-loud ...

Collector extensions, like these from Hooker, enable the street/strip enthusiast to fine-tune collector volume for an optimum torque curve. Headers that are uncorked or run without a muffler and ...

We test a variety of header sizes and types from Hooker on a 427ci big-block Chevy to show power trends and performance advantages. Tests include 1 ¾-inch long tube, 1 7/8-inch long tube, 2-inch long ...