12-20-2023, 04:36 PM | #1 |
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Back box delete advice M850i
Looking to get quad tips installed on my M850i and also want a little aggression from my exhaust. I’ve been recommended to get a back box delete done. This will allow me to keep the original back box / muffler in case I want to refit it again at a later date. It will also allow the exhaust shop to easily manufacture the pipes and 4” tips whilst giving me more exhaust notes. Has anyone had this done? If so, how does it sound and any advice good or bad on getting this done. Thanks
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12-20-2023, 04:45 PM | #2 |
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These post might help a bit.
https://f92.bimmerpost.com/forums/sh....php?t=1896755 https://f92.bimmerpost.com/forums/sh....php?t=2061171
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