Thread: F90 Catback Suggestions
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      12-05-2023, 06:37 PM   #5
oreo_carName
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Drives: 2019 M5
Join Date: Apr 2023
Location: Massachusetts

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Originally Posted by Info@mad-us.com View Post
Check out our exhaust . It's pretty quiet with the valves closed and 100% of the exhaust is forced through the muffler section.


https://mad-us.com/mad-bmw-f90-m5-full-catback-exhaust/
I actually have the MAD secondaries installed and love the quality. I watched some videos of the MAD catback, but it seemed like the valves closed was still much louder than stock. (Referenced video below)
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