Quote:
Originally Posted by Hockeytyme
you can always use a lower tune than your fuels octane rating.
But, for stage 2 it's pretty important to have DP's
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Does this mean catless DP's? I have the evolution high flow which are catless uppers. I am thinking that these are fine.
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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