Improve exhaust flow by changing dump pipes ... the amount of air that a flowbench can produce is just tiny compared to what is actually happening on your car at full throttle.

That brings us to the straight pipe exhaust ... air in the cylinders, reducing noise, and reducing harmful pollutants. One of the most commonly plotted, performed, and debated modifications car ...

Four exhaust pipes sticking out the rear of a car might seem purely cosmetic ... That buildup, known as backpressure, can slow the flow of waste gases and hinder performance if not managed ...

Colder air is denser and therefore contains more oxygen. More oxygen reaching your engine allows you to burn more fuel, which will give your car more ... intake pipe and high-flow conical air ...