This part generally fits Cadillac vehicles and includes models such as Seville with the trims of SLS Sedan 4-Door,STS Sedan 4-Door. The engine types may include 4.6L 281Cu. V8 GAS DOHC Naturally Aspirated.
Perfect fit for my 2003 Cadillac Seville sts. I did the removal and install of the new system in roughly 6 hours. There was grinding I had to do and rust on the original flange as well as cutting the rear exhaust pipe to fit the new system. Degree of difficulty is about a 6 of 10