Quote:
Originally Posted by stocksure
I replaced the resonator with an x-pipe on a '19 M5 Competition.
I read good things about it but it wasn't what I was looking for, I still want a deeper note and more "thunder."
Now I'm looking at doing downpipes or catless secondaries.
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Did it give you a louder stock sound?
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2021 M340i
2020 X3 M40i - her car
2019 M5, AW, DP's, MSR CAI, BM3, SOLD
2020 Chev. ZR2 Bison truck, Daily Driver