Use the guide below when calculating pipe size for
custom exhaust work. Keep in mind that the goal is
to improve exhaust flow. In most cases, just changing
the restrictive OEM muffler and replacing it with the
same size straight-through, Wide Open Performance
MagnaFlow muffler will do this job.
To reduce additional backpressure, the OEM exhaust
tubing can be replaced with madrel-bent tubing of the
same size or one size up from the OEM. As a general
rule, you can enlarge the pipe diameter of your OEM
exhaust system by 1/4- to 1/2-inch to increase your
horsepower. However, any additional increase in pipe
diameter is likely to decrease your performance;
specifically, low end torque.
|
