Quote:
Originally Posted by BLACK MARKT
Here's the question I really want to know ...
If you add DP's whether with or without cats will you need a tune to accompany the upgrade?
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I will definitely want that option. Are you following that thread on the Manhart Tune Group Buy?
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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