you most likely didnt get an answer because this question is very simple to answer. first you need to know the year of your outback and 2.5rs, then you can find the body style code which sometimes helps to find the right exhaust (ex. GC8 or GDB for the RS). then you look on online stores and find an exhaust for the year or body style you have. keep in mind that the outback and the rs will have different exhausts.