500whp isn’t as simple as just getting a Tune for e50, if your going to do it do it right. Get a 3 in catback- awe or thermal, a set of downpipes- they will help with top end power, get a cold air intake- S&b, fenfab etc, get a catch can- jlt, upr etc, get an intercooler- Cvt, whipple etc, get...