sway bar

Hey, so a few months ago I installed a Tripoint rear sway bar...torqued the bolts down all the way but didn't use any loctite.... I'd been doing a bunch of driving in San Francisco recently (lots of potholes) and I started hearing the bar hitting the bottom of the car...I didn't think much of...

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.