A:They produce more horsepower and torque than factory exhaust manifolds. B:They create a more aggressive sound than factory exhaust manifolds. C:They give your Corvette a custom, race-car look. No ...

Have you ever tried exhaling through a straw? It's not the easiest thing in the world to do, is it? The full power of your lungs is held back as you attempt to push the air through the narrow-diameter ...