Thread: 94 ford aspire project
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Old 09-11-2008, 09:54 AM   #7 (permalink)
bottonavy
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Join Date: Jul 2008
Location: Pottstown,Pa
Posts: 27

'06 Toy - '06 Toyota Tundra SR5 4WD Extended cab
90 day: 17.51 mpg (US)

'10 Corolla - '10 Toyota Corrola LE
90 day: 36.38 mpg (US)
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I am replacing my whole exhaust system due to rust ,and was wondering if the pipe diameter matters and what would work best for fuel economy. Any ideas?
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