Why are they telling this.. Holes, rust, collapse?? Is your exaust syatem stock? You can order the pipes from a dealer to replace the stock. While you are at the dealer, check with them regarding the exaust warranty, most likely you are out of warranty for the pipes (2yrs-24k miles) themselves but if the CATs (8yrs- 80k miles) are involved, they may help.. Out side of that, this could be your chance to play with the system and get the sound or performance you want...