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All you guys without stock are going to be close to limit or over on a 90 day. 92 days will work typically with some sort of resonated muffler system.
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04-02-2013, 04:01 PM
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#14 (permalink) |
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A True Z Fanatic
 
Join Date: Jan 2011
Location: Nor Cal
Posts: 1,059
Drives: 370Z Racecar
Rep Power: 21   |
All you guys without stock are going to be close to limit or over on a 90 day. 92 days will work typically with some sort of resonated muffler system. Just depends on weather conditions and sound monitoring booth staff.
I bolted my stock muffler on my car with long tube headers and passed 92 db day.
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