Flowmaster Exhaust Inc manufactures performance exhausts and mufflers for cars, trucks and SUVs. Their performance street mufflers are designated into groups called series and go from mild to wild. When choosing a muffler you are going to want to decide what sound you are looking for do you want as loud as possible? Middle range sound or perhaps a quiet muffler? If loud is the name of the game for you then you will want a flowmaster 40 series muffler. The 40 series are the loudest family of mufflers and are the most aggressive. Among this family of 40 series is the super 44, 40 delta, and super 40 mufflers.
Now if mid range sound is important to you then you will want to look at the 80 series, hushpower or 50 delta muffler systems that flowmaster has to offer. these are considered to be the less interior resonance options and still get great power gains in your exhaust flow. The quitter of the families are the 50, 60 and 70 series family of muffler. The best way to think about a flowmaster 40 series will be a loud metallic scream where as a mid range will be a more deep bass tone. The quiet ones can be compared to a borla or corsa exhaust. If you like to come home at night and not upset your neighbors you should buy a hushpower system. Next time we will go a little more in-depth into which sub family of these series you want specifically.
For more information, I’d definitely recommend researching Flowmaster Exhaust and flowmaster mufflers
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