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Re: Muffler back pressure question
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Posted by Steven@nd on June 24, 2003 at 21:22:28 from (12.23.184.174):
In Reply to: Muffler back pressure question posted by KX on June 24, 2003 at 20:12:33:
Any kind of backpressure is bad, what you need for torque (horsepower too because hp is a function of torque) is VELOCITY. Smaller pipes will have a greater velocity, increasing torque. Velocity creates a scavenging effect, sucking the exhaust out of the next cylinder to fire (instead of exhaust being pushed out by the piston).
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