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If you are anything like us, you love the sound of an aftermarket exhaust system. The exhaust pipes on a car, when properly done, can make all the difference in sound and performance. There is no doubt that a good ol’ muscle car with quality custom exhaust pipes has grabbed your attention in the past. However, turning heads isn’t the only thing a vehicle with a custom exhaust can do. There is a functional aspect to this as well. For example, by going from a 2.25-inch exhaust pipe up to a 3-inch exhaust pipe, your engine will be able to put down maximum power without the added restriction of a stock exhaust system. This is just one benefit of having custom exhaust pipes installed on your car. Sound, power, and the ability to add more horses are major selling points when upgrading the old exhaust pipes to something larger in diameter, and of superior quality.

What Do Exhaust Pipes Do on A Car? 

Your truck and car exhaust pipes have a very important job. In normal applications, they are tasked with containing the spent gases and safely venting them to the rear of the vehicle. This in turn avoids potential harm to the driver and passengers. Strict rules and regulations have meant that the entire exhaust system must perform within a certain spec, both environmentally and for noise. A well-planned aftermarket exhaust system will usually perform better than the small factory bits, while still maintaining a friendly sound level.

Factory mufflers and small diameter stock exhaust systems with restrictive bends can deprive the engine of significant power. A set of custom exhaust pipes, on the other hand, will help your engine breathe better by increasing the overall diameter of the exhaust system with free flowing mandrel bends, letting everything breathe freely.

For example, 3-inch exhaust pipes will allow gasses to escape noticeably better than the same, restrictive 2.25-inch exhaust pipes might. Couple that with fewer sharp bends, and you have a winning recipe for squeezing out as much power as possible.

How Hot Do Exhaust Pipes Get?

On average, exhaust pipes can get between 300-500 degrees. This number, however, can vary significantly. Blocked exhaust pipes, such as a crushed exhaust pipe, can cause the temperature to shoot upwards of 1,200 degrees!

The exhaust header pipe diameter should be increased if you plan to increase the power of your engine. Not doing so may result in decreased horsepower due to having a restricted exhaust pathway. We have all seen that picture of a red-hot exhaust system. Trust us when we say that is not a good look for your car!

In addition to increasing the exhaust header pipe diameter, the wall thickness of the exhaust pipes should also be taken into consideration. If you are planning to boost your car, the stock exhaust pipes will simply not do. The entire system should be rebuilt with a thicker and larger diameter pipe. Anything from 2.5-inch exhaust pipes to 4-inch exhaust pipes are usually preferred, depending on the displacement of the engine.

What Is the Best Material for Exhaust and Intercooler Piping?

So, you have decided to add a boost to your car? Pound for pound, forced induction is the quickest way to add power to your vehicle. Getting dense, cool air into your engine is left up to the intercooler piping; and the best material to use for this is stainless steel.

Speedway Motors has a wide selection of stainless-steel exhaust pipes to satisfy your needs. The elbows and pipes we offer can be had in virtually any angle and size. Building your intercooler piping has never been easier!

Car and truck exhaust pipes come in a variety of diameters to fit most builds. Stainless steel is the preferred material in both intercooler and exhaust pipes because it is not affected by moisture. We have complete build-it-yourself kits, or you can buy them individually if you just need that one elbow to finish off your system.

Can You Use Aluminum Pipe for Exhaust?

Using aluminum for your exhaust header pipe may sound good, but just because something sounds good on paper does not mean that it would work in a real-life application. Aluminum does indeed weigh less than steel, but that is about the only positive factor one would get from using the metal in this sort of application.

Manufacturers and car enthusiasts alike have toyed with the idea of using aluminum, but the fact is that the melting point of the non-ferrous metal is 1,221 degrees Fahrenheit. That may seem high, but the exhaust header pipe temperature on a vehicle easily goes over that number, especially on boosted applications.

Steel, on the other hand, has a melting point of roughly 2,600-2,800 degrees Fahrenheit, making it a way better choice. On top of that, mild steel is much better at heat cycling. Exhaust pipes go from hot to cold, cold to hot, several times a day, and aluminum is not a big fan of that. Aluminum is much more brittle and doesn’t like drastic temperature spikes. On top of that, it does not like to bend easily when compared to the soft mild steel or stainless steel that is often used on custom exhaust pipes.