i have unplugged super performance springs on mine and love them. car feels tight to the ground, cornering is great, the drop is 1.5inches, and it does not scrape on normal everyday conditions/speed bumps. i am yet to scrape on mine. efficiency has gotten better.
Pretty cool story, when i went to get my alignment about a month after, the guy said he doesnt know why i brought it in that the alignment was perfect. so no negative caber here. If you take a look at my photo avatar that is my current stance with these springs. it is absolutely beautiful. also no creaking noises either!