Exhaust pipe diameter...dual Vs. single
04-04-2002, 07:53 PM
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Car: 1991 Firebird Formula
Engine: 383 Supercharged and Intercooled
Transmission: 6-Speed
Axle/Gears: Stock 10 bolt 3.42
Exhaust pipe diameter...dual Vs. single
Does anybody know with a dual exhaust, what pipe diameter would equal a single exhaust. Say I have 3" exhaust. What would a dual equivalent be? Or 4", what would a dual be.
04-05-2002, 12:50 AM
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Car: 91Z28 L98
Engine: HSR 350
Transmission: Goebel 700R4
Someone on this board had a link to their webpage that had a chart comparing the two, just what you are looking for. Too bad I don't remember who it was or where it was.....maybe they'll come along sooner or later.
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