P11221: Noise Reduction for Internal Combustion Engine
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SAE Test Data 1

SAE Engine

SAE Engine

Engine Information:

Frequency Response:

Waveforms:

SAE Car W/Muffler (Oct 2010)

SAE Car WO/Muffler (Oct 2010)

SAE Car WO/Muffler 39.2-42.4 Seconds

Test Data:

SAE Test Data (Oct 2010)