I know everyone keeps saying that a tuned car will be better with an intake. That may be the case. But there is no reason that a stock car should lose power. Im sure more boost will love the better flowing intake but stock should be no diffrent.
2008 335i E92 6MT (BB Flash)
2007 335I JB+,UR Intake, 6MT (Sold)
2003 350Z Turbo (Dead)
1994 Supra TT (Sold)
1994 RX7 TT (Sold)