Rear Wing For Track Use

I’m using a 1999 C5 Hatchback as a track car and am slowly doing different racing upgrades to improve performance.

Next on the list for me is getting some solid aero and I’d like to start with a rear wing.

Does anyone have any recommendations for the best performing rear wing you can buy for the C5 on track?

I’ve been considering the 9Lives “Big Wang” but after more research the downforce specs seemed kind of weak so wondering if there’s better out there.