Yes sir Rudy I purchase it in 5-6 foot lengths on ebay I make all my exhaust systems, you can buy mandrel bends couplings all on ebay. You would be right to just replace the galvanized pieces more than likely they would out live us.
https://www.ebay.com/itm/174536298538?ep...BMyrGimLJh
https://www.ebay.com/itm/174536298538?ep...BMyrGimLJh
1999 45' #504 "Magnolia"
Gravette, Arkansas
1996 40 XL Prevost Marathon