I'll be getting some new rims and tires soon and plan to stick with 17s. 17x7.5 actually. I was looking for some pics to compare the sidewall and fender gap difference between the 2 (225/45 and 225/40). Its lowered on sportlines right now. I know the speedo is slightly off with both. About 1%+ and 1%-.
12.6 @ 114.6 MPH
as long as they dont rub(I dont think they will), id go with the 225/45s if it were me, since your boosted too, a slightly taller tire may help with traction for launching.
2000 Cavalier Z24 5spd - Intake, Dynomax muffler, Hawk Pads, Powerslot rotors, Sportlines/Koni reds, Neon Coil, MSD 8.5 Wires - **SOLD**
2014 Kia Forte Koup SX 6spd - 1.6L Turbo - My new car
2015 Kia Sorento EX V6 AWD - Wifes Car