Thread: M5 trouble!
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      07-14-2017, 12:59 AM   #12
allmotor_2000
F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph
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Drives: 2018 RS3, 991 Turbo
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Quote:
Originally Posted by Ruben7520 View Post
You probably need a tune now. Catless downpipes and no tune? Car is probably confused
All that does is throw a CEL - it's not going to get confused.
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