Making a custom exhaust

Can you make your own exhaust system?

Putting together your own stainless steel exhaust system is certainly doable for an experienced garage mechanic, so, let’s go over the tools you’ll need in your arsenal to get things underway.

How do you design an exhaust system?
I would say there's a few things that you need to look at first and foremost on the exhaust is does it route in a place where it's going to be free of any kind of interference.

Does a custom exhaust add horsepower?

To put it simply – yes. An aftermarket exhaust can provide additional horsepower to a car. They work by providing a better airflow for exhaust gases to escape the combustion chamber – providing more room for fresh air to enter and create a bigger combustion on the next cycle.

How much power does a custom exhaust add?

The Most You Can Gain is 2-5%

If you want to know how much power you can expect to gain from adding an exhaust system to your car, assume that your engine will get 2-5% more powerful. More specifically, large engines like a big 6.0L V8 typically see about a 2%-3% horsepower increase.

How long does it take to make a custom exhaust?

That should take about 2-3 hours TOPS if this shop is working on high end cars, they should already have much experience. Exhaust isn’t terribly difficult on our cars cuz technically its going straight. Now if it was crossing to the other side of the vehicle then maybe yea, but its not. 800 seems a bit too high.

Is dual exhaust better than single?

However, most would agree that a dual exhaust will give you better performance gains compared to a single exhaust system. Because the exhaust gases exit each manifold through two pipes rather than just one, they can exit the engine faster and provide additional horsepower gains.

How can I make my exhaust sound deeper?
Change will cost a fraction of a full system adding different mufflers can dramatically change the sound of your car and make it louder or even quieter. That's what you're going for.

Are shorter exhausts louder?

The longer the pipe usually the quieter it will be, the shorter will make a little more power(a little), as a rule of thumb.

Does bigger exhaust give more power?

Exhaust pipes are made bigger to allow better exhaust flow. This is important for increased performance and horsepower (not for the sound). Instead, aftermarket exhaust also equips a less restrictive muffler – which is responsible for the much louder sound.

Does straight piping increase hp?

The primary advantage of equipping a straight pipe exhaust to a performance engine is that you’ll see a definite boost in your horsepower. This result occurs because the system reduces the amount of backpressure from the engine, allowing the exhaust gases to form with greater freedom.

How much hp will a cold air intake add?

5-20 horsepower

Cold Air Intakes are said to improve your vehicle’s performance by 5-20 horsepower. This number will vary depending on the make and model of your vehicle. While this isn’t enough power to put you back in your seat, it will give your car or truck a little pep in its step.

Does muffler delete add hp?

Pros of Muffler Delete System

It is easy to understand why a muffler delete system can prove beneficial to older cars or old race cars. It not only makes the vehicle sound more muscular, but the horsepower and torque gains at high speed are hard to ignore. Muffler deletes will benefit an old car like this Impala!

Does straight pipe hurt your engine?

A straight pipe, for example, can cause exhaust gas velocity to increase. This will likely reduce engine performance below 2,000 or 2,500 RPM, making your vehicle a little slower to launch from a stoplight.

Is a muffler delete illegal?

It would make your car louder, and some say it sounds better. But make no mistake, a muffler delete is illegal in all 50 states, without exceptions. Each state handles muffler laws in their own ways, but every state requires motor vehicles must have a muffler. There’s no getting around it.

Is a Catback louder than a muffler delete?

Cat back: Replacing the exhaust from the catalytic converter rearward with new piping and a new muffler. Typically louder than stock, sometimes lighter.

Is straight pipe better than muffler delete?

Advantages of straight pipe exhaust and muffler deletes

One advantage of straight pipes is that they have very little backpressure. Straight pipes offer better flow than many popular performance mufflers. This can be helpful if you’re trying to maximize performance and fuel mileage.

Do you need a tune after muffler delete?

You do not need a tune for a muffler delete and resonator delete. However, some tuning is required if you had previously changed any part that impacts the exhaust flow. Additionally, prepare a pair of ear plugs.