Can Exhaust Wrap Damage Extractors or Exhaust Systems?

In short, the answer is yes and no. It is possible that racers such as NASCAR in the USA or Endurance racers may experience overheated exhausts pipes, but in 99% applications, header or exhaust wrap will NOT damage exhaust pipes.

All mild steel exhaust pipes will eventually rust and the best way to extend the life of your exhaust pipes is to coat them first with a high temp exhaust paint or a silicone based high temperature paint.