30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount. Policy depends on shipping service.
Hard to install on a 2006 Jeep (Hemi), now no codes. Also a spark plug change. Cats didn't have warranty cards and pipes already expanded to fit over 2.5 exhaust (returned parts). Wasn't able to butt-weld then. Fit over on both ends. Good parts. I would buy again.