Q:Why are headers a great bolt-on choice for Corvettes? A:They produce more horsepower and torque than factory exhaust manifolds. B:They create a more aggressive sound than factory exhaust manifolds.

Along with a better-flowing intake and exhaust system, headers are among the first bolt-ons that any naturally-aspirated believer has got to consider. Together they help eliminate restrictions within ...

Frankly, you'd think this subject would have been exhausted by now. After all, how much "borderless education" can you absorb about such common and oft-explained engine functions as getting rid of ...