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Old 08-03-2016, 03:18 PM   #7 (permalink)
zman93
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Join Date: Mar 2015
Location: Illinois
Posts: 20
Drives: 09 Monterey 370Z M6
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I have the same exhaust with HFC's and I want a little more as well. I did the washer mod, and that was cool and all but to me it just sounded to monotone; deep, but still monotone. So I switched it back to normal. I don't have to worry about inspections so I may switch to test pipes and see if that helps or just weld up a set of custom short tails.
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