Maybe it's a New York thing. Mine never lasted. Even Walker's own web site says their "premium line's" lifespan is 2 - 3 years.. They don't even mention their regular line. Read their own words:His " WALKER JUNK " is going on 6 years now and still doing well, NO RUST
Environment and corrosion both affect the lifetime of an exhaust system. Read more about the causes of premature failure here at Walker Exhaust Systems.