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They rarely support weight, more typically they are used as a dampener too keep the edge of the splitter and bumper in frequency and stop it from oscillating and tearing itself away from the body. A splitter the size above does not really need them unless all the attachment points to chassis are at the very rear of the splitter.My old splitter was much like cl65's and mounted to the battery tray and lower lip, which was connected to the bumper facade it was decent; and you do feel gains, I ran mine like that for a couple years. The trouble with mounting the splitter on the lip is all the downforce is being created on the surface of the front edge protrusion, since the stock NSX front bumper isn't mounting to anything substantial (literally 6 10mm bolts take it off) and the lip itself had even less attachment. all that down force is just pulling down flexing the plastic. The vast majority of the force is dissipated in flexing the bumper before making it into the frame where it needs to be. I've got some pictures of my car at Big Willow and can see its doing the job but flexing pretty substantially. For my v2 splitter i created a fully frame mounted set up (the splitter can be fully installed without the front bumper on the car)After settling on a size for the overhang of the splitter itself and running some tests I decided that I needed some strakes to keep the frequency between the bumper and the lip the same, a smaller protrusions likely wouldn't have needed it. They attach from the crux above the ac ducts supported by 4 inch 90* angled brackets and huge washers.You can see its a similar story with the FXMD areo except they take off the entire bumper via quick disconnects
They rarely support weight, more typically they are used as a dampener too keep the edge of the splitter and bumper in frequency and stop it from oscillating and tearing itself away from the body. A splitter the size above does not really need them unless all the attachment points to chassis are at the very rear of the splitter.
My old splitter was much like cl65's and mounted to the battery tray and lower lip, which was connected to the bumper facade it was decent; and you do feel gains, I ran mine like that for a couple years. The trouble with mounting the splitter on the lip is all the downforce is being created on the surface of the front edge protrusion, since the stock NSX front bumper isn't mounting to anything substantial (literally 6 10mm bolts take it off) and the lip itself had even less attachment. all that down force is just pulling down flexing the plastic. The vast majority of the force is dissipated in flexing the bumper before making it into the frame where it needs to be. I've got some pictures of my car at Big Willow and can see its doing the job but flexing pretty substantially.
For my v2 splitter i created a fully frame mounted set up (the splitter can be fully installed without the front bumper on the car)
After settling on a size for the overhang of the splitter itself and running some tests I decided that I needed some strakes to keep the frequency between the bumper and the lip the same, a smaller protrusions likely wouldn't have needed it. They attach from the crux above the ac ducts supported by 4 inch 90* angled brackets and huge washers.
You can see its a similar story with the FXMD areo except they take off the entire bumper via quick disconnects
