Not Ranked
The backpressure myth is Horsesh**T!!!!!!! A good performance system actually scavenges the exhast and pulls (vacume) the exhast out of a cylinder!!! The myth comes in because the average Joe blow on the street doesn't know that he will have to richen up the mixture to work with the new scavenging.
Drive on down to Washington and I'll show you what a lack of backpresure can do!!!
Ed
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LIFE IS TOO SHORT TO WORRY ABOUT GOOD GAS MILEAGE
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Utinam logica falsa tuam philosophiam totam suffodiant!
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