Hey members, I just purchased a 2001 2.5RS Sedan about 3 months ago...since then I have had a CAI, Header, exhaust put into the car. But I have always experienced a "popping" or backfire in the exhaust...I was told that Subarus are renouned for the "pop" like the Porche's...can anyone confirm that? I mentioned this to the guys at SPO and they also told me that's normal...? It only does it when you let off the throttle then press on it again...HEEEEEEEEEELP....is this normal? or is there something wrong with the car?