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Random Noise Test Results:

Muffler Test #1: 4 x 6 Tested

Engine: 516 C.I. Chevy - 14.8:1 Compression

Results: 93 Db. @ 50', 90º @ 3500 R.P.M.

Muffler Test #2: 4 x 6 Tested

Engine: 471 C.I. Chevy - 13:1 Compression

Results: 87 Db. @ 50', 90º @ 3500 R.P.M.

On the Dyno a 613 H.P. motor lost only 11 H.P.

$165 pr

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