sway bar

I keep forgetting to look at my gf's car while she is over. her protege loves making 'clunks' and the mechanic told her it was the rear sway bar links. I ordered some last week to do myself, and from all the searching I did, it looks like its for the front. I received an item that looks like...

Looking for a used Cobb Downpipe and Rear Sway Bar with hardware.