It is imperative for a car of any type to get rid of its waste or excess gases because restrictions of such will lead to back pressure. Most vehicles that are straight from the factory don’t always have free flow exhaust system instead, it is only using small diameter piping than what the car needs exactly. If you take a look at the exhaust manifold, you’ll notice that the bends aren’t bent in mandrel manner, creating better airflow.
As for naturally aspirated vehicles available today, it is best that you work first on its induction and exhaust prior to anything else. As you read the next lines, you will be able to know other parts of exhaust systems and its uses.
Manifold/exhaust headers/branches – this is taking the gases from the cylinder of the car’s engine which combines it to 1 pipe that is interconnected to the head pipe which is found underneath the car. Best branches in the market are using mandrel bends and some even are coated in ceramics for improved heat reduction. There are several flow test performed on it as well to guarantee that the air is exerted in the best manner possible.
Head pipe – the head pipe is designed in such way to connect the branches to the catalyctic converter all the way to the mufflers. Normally, it has a straight path that doesn’t have much bends.
Catalyctic converter – it is converting dangerous chemicals similar to carbon monoxide, hydrocarbons as well as nitrogen to CO2 or carbon dioxide, water vapor, nitrogen and oxygen. A catalyctic converter is most instances coated using palladium and platinum and has beads/honeycomb. This in return causes chemical reaction that is converting the bad gases to good ones.
Muffler – mufflers have one and one function only, and it’s to lower the loud sound made by the vehicle. The muffler does this by forcing the sound waves to bounce against each; this process cancels the noise. A lot of cars actually have a second muffler or at times, even two parallel mufflers. There are often a couple of exhaust tailpipes that are connected to the final muffler. Usually, this is done for aesthetics only particularly when its tips are chromed.
Tailpipe – this is the last part of the exhaust system and has piping from the vehicle’s muffler and all way back. Many of the aftermarket tailpipes that you can buy include nicely chromed tips that is either double or single tip. Most of the bends are found here because the piping needs to curve up and over the car’s rear axle. The truth is, there are some other suppliers that are putting lights on the tips of their exhaust.