Thread: smaller exaust pipe for mpg
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Old 02-10-2010, 09:09 PM   #13 (permalink)
Frank Lee
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Blue - '93 Ford Tempo
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One thing that has stopped me from pursuing this further is not wanting to have the system "neck down" as IMHO that would be bad. Does that mean the ports in the heads are too big? Exhaust valves too? Probably.
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