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Amplifies sound while shuttling out surrounding noises. An adjustable volume dial can be set to the desired Pin points noise and location of bad bearings, bushings, exhaust leaks, wind and water leaks, noisy valves and lifters.
Amplifies sound while shuttling out surrounding noises. An adjustable volume dial can be set to the desired Pin points noise and location of bad bearings, bushings, exhaust leaks, wind and water leaks, noisy valves and lifters.