For some reason, I like the AP2 bumper without the lips.
IMHO, the lip doesn't flow that good w/ the rest of the lines of the car.
I made sure that they don't add any lips, side skirts of any kind when I bought mine.
But that's just me Seems like lots of people prefer the lips.

Dan

 

 

i prefer it without the lip also

 

+1 on no lip as well, i think a ap2 with a ap1 front bumper and ap1 lip looks the best