[Bartledoo]

Pass. Weaksauce for that amount of cash. The splitter doesn't even have tunnels. What self-respecting shadetree aerodynamicist builds a splitter without tunnels these days??

Also, without a lip to act as an air dam at the leading edge of the bumper your highest pressure region (where the air meets the surface which stops it) moves back into the gaps and to put it simply - it pushes up on the bumper and down on the splitter. So the highest pressure region effectively cancels itself out in terms of vertical force. You want to keep the high pressure region out on the splitter where there is only open air above it, thus giving you downward force and no upward force.