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.

Whether it's the sound of a tri-power coming in on the outer barrels or a high-revving small-block shrieking as you hit the redline, there's something the enthusiast can't get enough of--power--and ...