Quote:
Originally Posted by HomeIn2
I tried an ACS axle back exhaust on my 2018 X5 xDrive35i and ended up selling it after about 2 months. Sounded great in Sport mode, but droned in Comfort and ECO PRO modes. Also, the ACS exhaust tip fitment with the BMW factory exhaust openings wasn’t as good as it should have been. All-in-all, it ended up being a somewhat costly ACS experiment.
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I'm fine with the performance of the exhaust but just have issues with the fit and finish of the pipes. It's basically a straight pipe when I'm in sport+ and would sound even better if someone would make downpipes for the M550i...