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Old 03-31-2012, 01:18 PM   #52 (permalink)
BrianAbington
Master EcoModder
 
Join Date: Feb 2008
Location: Omaha Nebraska area
Posts: 271

Civic - '98 Honda Civic DX
90 day: 41.44 mpg (US)
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If you add a muffler and find the exhaust is to high pitched and farty replace the mid resonator with the longest glass pack you can find. This will deepen the tone and de-fart it quite a bit.
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