Thread: Decat downpipe
View Single Post
      02-05-2020, 02:29 PM   #5
zdbmw
Z
zdbmw's Avatar
Russia
46
Rep
131
Posts

Drives: F90 M5
Join Date: May 2019
Location: Russia

iTrader: (0)

The sound proofing on the 5 series is extremely good, don't worry about drone at all.
I have a decat on my 540i without resonators (just MPerf muffler) and get 0 drone, so go ahead and do it! It will sound a lot more "alive" but not too loud since the motor will no longer be choked by the cat.
Appreciate 0