# How to Find the Diameter of an Exhaust Pipe in an Altima?

Adding a custom exhaust to your car is a good way to gain horsepower and a more aggressive tone to the exhaust at the same time. You could go out and buy a bolt-on system for your Altima, but if yo...
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http://www.ehow.com/how_6122215_diameter-exhaust-pipe-altima.html

## Flow Vs. Pipe Diameter?

As the diameter of a pipe increases, the flow rate increases exponentially. This is because the flow rate is directly proportional to the cross-sectional area, which is described by the equation, A...
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http://www.ehow.com/facts_6828698_flow-vs_-pipe-diameter.html

## How to Calculate a Pipe Diameter?

The diameter of a pipe is not just a geometric measurement; it is also an indication of the pipe's efficiency. Both the volumetric flow rate, which is a measurement of the volume over time, and the...
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http://www.ehow.com/how_7897430_calculate-pipe-diameter.html

## How to Measure the Diameter of Galvanized Pipe?

When you buy or order galvanized pipe, you must specify the pipe you need by its nominal size. Nominal size is closely related to the inside diameter of the pipe but is not precisely the size it ac...
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http://www.ehow.com/how_6390397_measure-diameter-galvanized-pipe.html

## How to Measure an Exhaust Pipe's Diameter?

The location, shape, and size of the exhaust pipe can make it difficult to measure its diameter with conventional instruments. However, a vernier caliper's design allows you to measure the two oppo...
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http://www.ehow.com/how_7466299_measure-exhaust-pipe_s-diameter.html