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Old 10-25-2014, 08:22 AM   #6 (permalink)
TedB370z
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Join Date: Aug 2013
Location: Pittsburgh, PA
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Drives: 09 Nissan 370z
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I actually found the the answer on another forum...those exhaust dampers on the stock y pipe helps cancel it out, though I already junked the stock pipes so ill just order a set, they're cheap at $25 for the pair, and get them welded on...
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