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      03-02-2021, 06:12 PM   #9
frchdragon
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Drives: 2016 BMW M4
Join Date: Feb 2021
Location: ON, Canada

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Quote:
Originally Posted by mike@x-ph.com View Post
If your car is not tuned with bm3, I recommend you get one of the three brands mentioned. It won't matter which one.
Do you mean that Stage2 is not compatible with a catted downpipe?
After reading about the smelly side of the downpipe, I am leaning towards catted. But I definitively want to run stage 2 in the future at the track.
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