Can you PM me the price for the End-Links shipped to 33351? Any aftermarket shocks for the G37 to go with my eibachs?

I would like to order the new front end links for my 08 G37. I had Hotchkis sway bars installed already and I started to hear a rattle over bumps in the front end. Any reason I should worry about warranty issues before or after the new end links are installed? Pretty common?