# 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

## 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

## 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

## 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

## What does"nominal pipe diameter"mean?

Nominal pipe size is a general reference to the O. D. (outside diameter) of the pipe. The actual diameter of a one-inch pipe is actually 1.315 inches. With pipe sizes fourteen inches and above, the...
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http://www.answerbag.com/q_view/1928281