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House Power and exhaust pipe size

3K views 6 replies 3 participants last post by  Anti 
#1 · (Edited)
Pipe Diameter (inches)Max HP Per Pipe
2144
2 1/4185
2 1/2232
2 3/4283
3339



I found it form this link How To Calculate Muffler Size and Exhaust Pipe Diameter | Exhaust Videos

After I saw this, I think about doing customize full catback. 2 1/4 inch should be perfect for me. According to Wikipedia, If the pipe is too large, the scavenging effect will suffer at low rpm.
 
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#2 ·
Oh god, autoguide app doesn't display the table.

Pipe Diameter (inches)_|____Max HP
______2_______________|_____144
____2 1/4_____________|_____185
____2 1/2_____________|_____232
____2 3/4_____________|_____283
______3_______________|_____339
 
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