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F90 M5 exhaust upgrade sound check

European-spec BMW F90 M5 Competition models were fitted with OPF filters that significantly reduced exhaust sound compared to ...
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Mercedes C350 V6 sounds better with custom exhaust

In this video we test the Mercedes-Benz C350 Avantgarde W203 on the German Autobahn. Powered by a naturally aspirated 3.5L V6 ...