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I'm looking at picking up a Zard 3 to 1 Penta exhaust kit and am wondering about noise levels. The Zard website says roughly 102db and they have a db-killer that will reduce sound by roughly 4db. The one thing I can't quite figure out is a what distance they measure this since it appars to be the sound at idle. My local track in Canada(Calabogie) has some noise restrictions but based on 3/4 throttle at 15 feet then a pass by test from 50 feet on the track. Sorry if there is a standard point of measure manufacturers use, I'm just not aware of the info.

This exhaust with the db-killer might work if they did their measurements within a foot or two of the pipe but if it's ~100db at a distance I'm pooched. Does anyone who's used this system have any sound readings or experience they could share? The bike is purely track focused so I'd hate to pull the trigger on it and then have it not pass sound testing.

Thank you!
 
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