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Old 09-29-2012, 02:06 AM   #5 (permalink)
CigaR007
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Join Date: Jul 2010
Location: Canada
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GreenTurtle (Retired) - '01 Toyota Echo Sedan
90 day: 44.85 mpg (US)

Zulu - '14 Honda CR-Z
90 day: 49.05 mpg (US)
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Considering the cost of a new catalytic converter, I would not try it. The high heat should keep it clean..I guess.

Another vote for "If it ain't broke, don't fix it".
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