Not to mention an anti-lag system can really mess up your turbo quick. If you've got the cash, and you are really into winning, then it doesn't matter much.
2016 WRX STi Limited (current)2001 A4 1.8tqms (donated)1991 GVR4 #1933 (sold)old.dsmregistry.com/detail.php?carid=218 (dismantled)