PIPES2 X Dbmeter Lg
Exhaust System Comparison: 7 Pipes for Yamaha's Road Star Motorcycles
The Motorcycle Industry Council was kind enough to loan us its decibel meter. The nylon cord attached to the meter is our 20-inch standard for consistent distances from of all the pipes. To verify the meter's accuracy, a calibration tone generator (cylindrical device) was included in the package. View Related Article
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