I've no experience of the Jet Hot or ceramic coatings. But coatings can deteriorate or be damaged.
Stainless steel exhausts should, if properly made, outlast the car.
One the stainless steel exhaust manufacturers here in the UK offers a lifetime guarantee.
I had one made over 10 years ago when I got sick of crawling under my Rapier to replace rusty exhausts every two or three years.
When my Pantera one finally dies (I've still got the factory original) I'm going stainless - it's fit and forget.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.