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Gamerse · 02-27-2008, 12:42 PM

This is an independent backpressure chart pulled from Garry Donavan's sight.
http://www.thedodgegarage.com/ He's geared towards 2.2 and 2.5 4cyl chryslers, but all of it can be applied here. His 9 second K-car says so.

"Straight through designs with no baffles or louvers to obstruct the flow are the best. Flowmaster or "path" mufflers should be avoided if possible. Check out the backpressure chart below to see how some popular mufflers perform in a backpressure shootout. "

02-27-2008, 12:42 PM	#75 (permalink)
Gamerse Forum user Join Date: Oct 2007 Trader Rating: (3)	Re: Measuring stock exhaust restriction This is an independent backpressure chart pulled from Garry Donavan's sight. http://www.thedodgegarage.com/ He's geared towards 2.2 and 2.5 4cyl chryslers, but all of it can be applied here. His 9 second K-car says so. "Straight through designs with no baffles or louvers to obstruct the flow are the best. Flowmaster or "path" mufflers should be avoided if possible. Check out the backpressure chart below to see how some popular mufflers perform in a backpressure shootout. " __________________ Ernest.