TRACK DAY DIARIES

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C8 Splitter Endplates V3

$7 · printed pair $40 · carbon-nylon pair $150

  • Aero fences: they stop high-pressure air spilling off the top of the splitter into the low-pressure region at its edge
  • Designed as splitter fences; the effect on this car has not been measured
  • Fit-specific parts, designed around the AJ Hartman C8 splitter on a C8 Corvette
  • Check the mounting interface against the photos here and ask about fit before buying; another splitter will need the mount reworked
  • Sold as is, straight from the running setup
STL pair · digital · $7 Printed pair · $40 Carbon-nylon pair · $150

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Physical shipping rates are calculated at checkout. The digital delivery method is shown at checkout and in your order confirmation; email [email protected] if you need help.

Carbon splitter endplate mounted on the red C8 front corner

Fit and shipping

FAQ

What exactly does an endplate do?

It fences the edge of the splitter. Under the splitter you want low pressure and above it high pressure; at an open edge those two meet and the high-pressure air spills around into the low-pressure side, which bleeds off the difference that makes the splitter work. A fence at the edge makes that spill harder. I walk through the whole aero setup in All the Ways to Get More Downforce on Your Track Car.

Will this add a specific amount of downforce?

The effect of these endplates on this car has not been measured against a baseline. Their intended aerodynamic function is not evidence of a verified gain.

Will this fit my splitter?

These are fit-specific parts. They were designed around the AJ Hartman C8 splitter on a C8 Corvette. Check the mounting interface against the photos on this page and compare it with your own splitter before buying; anything other than the AJ Hartman splitter will need the mount reworked. If you are not sure, email [email protected] and ask about fit before you order.

What is in the digital download?

Splitter_Endplates_V3.stl, the endplate as run on the car. Print it and mirror it for the other side.