I think they look decent. I wouldn't purchase them(stock lights are fine), but if given to me as a gift, I'd take em'.

 

I personallly dont think they look good on the mustangs. I had them on my 2000 camaro supersport and it DID help the looks of it

COULDNT SEE CRAP THROUGH THEM THOUGH[:@]

 

A while back, I had gotten a pair of the stacked headlights, and liked them, but the halo on the driver's side never worked, so I took them out and put these on instead. Personally, I like these better, but I also like the side-by-side set also: