Originally Posted by willwren
Take them back if you can. Energy Suspension components are quite inexpensive.
If you can't take the OEM parts back, use them. You'll notice an improvement simply because you'll be replacing worn parts. It won't be as much of an improvement than the Polyurethane parts though.
I can try to return them but its more of a hassle at this point because I had to go to two different autozones to get them and now I dont know where the receipts are. I usually shred them after they have cleared the bank because my card info are on them.
Maybe Ill just buy another set and keep these as emergency spares.