So wondering what kind of effects aerodynamically would occur from removing the fender liners. Looking to go track only in about a year, and having just ordered 17x9s and lowered on Ohlins not sure if just ripping them out would be beneficial or just do a normal tab relocation and roll on the fronts. Thoughts?

 

Keep them. They keep your engine bay cleaner and lower drag. Just trim the outside edge so your tires fit.

 

Definitely keep them. With a stock front bumper they also act as part of the undertray. Really easy to just trim them so they no longer get in the way. They will help reduce turbulence in the wheel well.