Is it worth dualing out the exhaust, on a 97 expedition

10

Asked by May 27, 2011 at 06:43 PM about the 1997 Ford Expedition

Question type: Car Customization

If i dual the exhaust will I get better gas mileage, without loosing power?

2 Answers

7,165

improved exhaust flow gives more power not less.

an engine is essentially a big air pump. anything that allows air to move more freely through it increases efficiency (fuel economy and power)

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