Thread: Double Catalytic converter requirements?
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Old 01-29-2010, 03:51 PM   #7 (permalink)
bgd73
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Join Date: Feb 2008
Location: maine
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oldscoob - '87 subaru wagon gl/dr
90 day: 47.06 mpg (US)
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stick to singularities.
you may want to check out trucks with particulate filters, and make a mini version.
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