Muffler Comparison Flowmaster, Magnaflow, Dynomax

Comparison of flowmaster super 40 series, Magnaflow glasspack, Dynomax Super Turbo, and open pipes.
Mercedes Benz SLK32 AMG with OEM headers, 3" downpipes, Flowmaster scavenger series Y-pipe.  Exh #5

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• #turbo