COMPLETELY STRAIGHT PIPING THE BMW M4 *LOUD*

Straight piping your exhaust system has its cons but also has its Pros. These are only a few of those Pros and Cons so choose wisely before you do it yourself.
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Good video 💯 I remember when I ran my AWE track exhaust. I had to get the switchpath conversion a month later 😅
Straight pipe daily isn’t for everyone!