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Old 08-11-2014, 06:10 PM   #9 (permalink)
Frank Lee
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Join Date: Jan 2008
Location: up north
Posts: 12,762

Blue - '93 Ford Tempo
Last 3: 27.29 mpg (US)

F150 - '94 Ford F150 XLT 4x4
90 day: 18.5 mpg (US)

Sport Coupe - '92 Ford Tempo GL
Last 3: 69.62 mpg (US)

ShWing! - '82 honda gold wing Interstate
90 day: 33.65 mpg (US)

Moon Unit - '98 Mercury Sable LX Wagon
90 day: 21.24 mpg (US)
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Quote:
Originally Posted by maplesyrupghost View Post
Maybe going to a straight cutout will cause a loss of backpressure and lose FE. But what about... a dual exhaust system, with the cutout allowing exhaust to flow to the 2nd muffler, which would be a higher flowing one. Has that been tried? Instead of going to lose all pressure, it just increases the flow... People say you can gain 1-2 MPG with a performance muffler, but they sound terrible. What if you could switch between the two?
You are bound and determined to open that thing up, huh. Who do you intend to bless with all the cacophony- people in town don't want to hear it, and people in the country don't either.

If you want to drive around and get good fuel economy, it probably isn't going to happen in a truck. I don't understand why that concept is so difficult for so many.
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