the splitter fits most cars, not exactly, but well enough.
its also slightly bendy.
you may have to cut down the two central columns and perhaps cut the ends off which protrude into the wheel arches depending on what car it goes on.
self tapers to fit. some have sealed it also, but id not recommend this.
after all if you do catch it best the spliter breaks off than the whole bumper.
tip.
extra pair of hands and getting the car high off the ground is recommended.