The World Famous Flowmaster Sound With Many Different Tones to Choose From

While all Flowmaster mufflers produce more power than original equipment, they also produce exhaust tones unique to Flowmaster. What's become known as the ''Flowmaster Sound'' should realy be plural, because there are many different Flowmaster sounds. From a deep, aggressive tone to a quiet, subtle but unmistakably Flowmaster tone.

30 Series Deep powerful sound Moderate interior resonance Race muffler for classes with stringent decibel level requirements
40 Series The original Flowmaster sound Powerful aggressive tone Noticeable interior resonance varies with RPM
Flowmaster Street 40 Series Mufflers
50 Series Mellow deep sound Quieter than 40 Series Mild interior resonance
Flowmaster Street 50 Series Mufflers
70 Series Mellow street sound The quietest Flowmaster Lowest level of interior sound and resonance
Flowmaster Street 70 Series Mufflers