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Forum: Track / Autocross / Drifting / Dragstrip

04-02-2013, 04:01 PM

Replies: 18

Laguna Seca Sound Barrier Requirement Concern

Views: 2,690

Posted By Shamu

All you guys without stock are going to be close...

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...

Forum: Track / Autocross / Drifting / Dragstrip

05-17-2012, 10:38 PM

Replies: 18

Laguna Seca Sound Barrier Requirement Concern

Views: 2,690

Posted By Shamu

Yeah you should be fine. As you head towards t6...

Yeah you should be fine. As you head towards t6 lift as you go by sound shack if you have issues. My Nismo with berk cats and Nismo exhaust had no issue at all. Way below 90 db. If you can...

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