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Originally Posted by BAN SUVS
pv=nrt doesn't apply to exhaust systems because it's not a closed system.
Your examples are pretty reasonable though. I may end up with a midpipe cat yet. |
PV=Nrt appies to partial pressures as well, there are just more variables you have to throw in. I'm to lazy to go look it up, but at minimum you have to account for flow in and out.
If there is more volume and lower average temperatures before a restriction, it has a lower overall impact to the flow of the system, especially in a variable flow system like an exhaust. The volume tends to smooth out the peaks.