i took my car over the pits last year, got permits for the coil-overs, 18' rims,
3' exhaust.. the only thing they picked on was the blow off valve (too loud)..

i have Hyperflow Front Mount Intercooler 660 x 230 x 90mm
Custom S/S Intercooler piping which all pass ok..also a APS Cold Air intake Guard mounted install / K&N Airfilter which was ok too..

luckly for the coil-overs i increase the height but still had troubles getting the front bumper over the ramp, so they let me reverse the car backwards..(because of my body kit)

i must say if you are young between 18-25 they will give you a hard time..
all the best i hope it all goes well for you..