# What Size Exhaust Pipe Do I Have?

Trying to figure out what size exhaust pipe you have on your vehicle? Here is a quick and easy guide to help you measure and identify the right size for your car or truck.

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## Measuring the Diameter of an Exhaust Pipe

There are a few different ways that you can measure the diameter of an exhaust pipe. The first way is to use a ruler or a tape measure. If you don’t have either of those things, you can also use a piece of string and then measure it with a ruler or a tape measure. The second way is to use a caliper.

### Use a tape measure

To get an accurate reading, use a tape measure to measure the diameter of your exhaust pipe. If you don’t have a tape measure, you can use a ruler or yardstick. Simply place the ruler or yardstick on the ground so that it’s level with the top of the exhaust pipe, and then make a mark at the point where the two meet. Measure from this mark to the end of the exhaust pipe to get your diameter reading.

### Measure the circumference

To get an accurate measurement of your exhaust pipe, you will need to measure the circumference of the pipe. You can do this by wrapping a tape measure around the pipe and making a note of the measurement. Another option is to use a piece of string or rope to wrap around the pipe, and then use a ruler or measuring tape to measure the length of the string. Once you have the circumference measurement, you can divide it by 3.14 to get the diameter of the pipe.

## Determining the Length of an Exhaust Pipe

The most important measurement for an exhaust pipe is the length. The length of the pipe is important because it needs to be the correct size for the engine. There are a few ways to determine the length of the pipe. One way is to measure from the engine to the end of the pipe. Another way is to measure from the header flange to the end of the pipe.

### Use a tape measure

The first step is to determine the size of your current exhaust pipe. The best way to do this is with a tape measure. You will need to know the diameter of the pipe in order to select the correct sized replacement pipe.If you don’t have a tape measure, you can also use a ruler or a piece of string. Once you have determined the diameter of your current exhaust pipe, you can select the correct size replacement pipe.

### Measure from the end of the pipe to the beginning of the curve

To determine the size of your exhaust pipe, you’ll need to measure from the end of the pipe to the beginning of the curve. The most accurate way to do this is with a tape measure, but you can also use a ruler or yardstick. Once you have your measurement, simply round up to the nearest inch and you’ll have your pipe size.

## Calculating the Volume of an Exhaust Pipe

In order to calculate the volume of your exhaust pipe, you will need to know the pipe’s diameter and length. You can find the pipe’s diameter by measuring the inner diameter of the pipe. To measure the length of the pipe, simply measure the distance from one end of the pipe to the other. Once you have these two measurements, you can calculate the volume of the pipe using the formula V = πr2l.

### Use a calculator

There are a number of ways to calculate the volume of an exhaust pipe. The most accurate way is to use a calculator designed for the purpose, but you can also use a simple formula.

To calculate the volume of an exhaust pipe using a calculator, you will need to know the diameter of the pipe and the length of the pipe. Use the following formula:

Volume (in cubic inches) = π x (diameter/2)^2 x length

where π is 3.14.

If you don’t have a calculator handy, you can use this formula to estimate the volume of your exhaust pipe:

Volume (in cubic inches) ≈ 0.58 x (diameter/2)^2 x length

### Multiply the diameter by the length by 3.14

If you don’t know the diameter of your exhaust pipe, you can easily calculate it by measuring the width of the pipe at its widest point with a tape measure. Once you have the diameter, simply multiply it by the length of the pipe, and then multiply that figure by 3.14 to calculate the volume (in cubic inches).