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Originally Posted by bradders how big do you reckon then? And what size diameter Kev? I'd guess Craig's weren't an issue because he had 2? |
50mm (2") core 16" long has been the norm for some time
Craig as you say has two cans that are linked so probably has nearer to 20 inches of silencing. Which is more than my bike has which when last checked at Oulton mine recorded 101.5dB. So its gone up by around 2dB over the season, soon be time to strip it down and repack it
Here are the MSV regs on Noise levels for their circuits
http://www.clubmsv.com/bike-testing-noise-limits.aspx