read on the link people!! says 10 lbs
Yeah, you'll lose 10lbs after you empty your wallet to pay for it.
The Veilside exhaust is an axle back and costs almost $700. Imagine how much a full titanium catback will cost.
Something else to think about is how will it attach to the stock exhaust system? It's nearly impossible to weld titanium to steel, so hopefully it'll come with a flange at the cat side. On a final note, 70mm is 2.75", which is kind of odd since 2.5" (64mm) is the biggest you'd want to go NA...