Stock exhaust systems are designed simply to provide a conduit for spent gases to move from your engine to your tailpipe – no more, no less. On the other hand, performance exhaust systems are engineered to maximize your engine’s exhaust flow, giving you:
– Serious horsepower and torque gains
– Distinctive, growling exhaust tone
– Improved fuel economy
Horsepower and torque
In case you skipped out on Auto Shop back in high school, I am here to give you a quick lesson on the mysterious inner-workings of your engine’s cylinders. Without cylinders, your vehicle could not drive around, unless you could convince your friends to lend you their backs and push you all over town. That’s because the majority of your horsepower is generated right there in your cylinders through a fairly straightforward process, called combustion.
First, the cylinder sucks a mixture of oxygen and fuel (gasoline or diesel) into its chamber, where it is then ignited by a spark plug or glow stick. These three ingredients create a controlled explosion, or combustion, which generates both energy and waste gases. That energy...