Originally Posted by TopgunZ

You can still melt those HFC's. If that happens you will not only be out of a set of them but you could also pop your motor. In fact, the OEM cats have shown to hold up better than HFC's so why would you put those back on? If its all for sound then get a cheap set of test pipes and be done with it. By cheap I mean test pipes are cheap in general but ART pipes are a little spendy, but well, well worth it.

Originally Posted by TopgunZ

You can still melt those HFC's. If that happens you will not only be out of a set of them but you could also pop your motor. In fact, the OEM cats have shown to hold up better than HFC's so why would you put those back on? If its all for sound then get a cheap set of test pipes and be done with it. By cheap I mean test pipes are cheap in general but ART pipes are a little spendy, but well, well worth it.