Quote:
Originally Posted by Lerxst M5
Yes, 100% stock - only thing I have done is wire open the exhaust flappers.
Wait, there's a 600 HP version? That would make more sense as to why it was higher than I was thinking it should be.
Do you know what they changed between the 575 and 600 hp Competition Packages? Just a tad more boost?
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I can check it, send me last 7 of your VIN