TTI Exhaust Longevity

One thing I can say about TTI headers................they are not your momma`s headers, they`re built like a tank. My set`s around 60 lbs..As far as longevity, I can`t say yet as I haven`t had them long enough. One very important thing is if you`re breaking in a new engine, use another exhaust manifold until your engine temperature comes down. That way you won`t toast the finish right off them. Hth some.