Originally Posted by GARETH T
if the coating is done right,, it should last for aslong as the manifold
BTW have you ever had a car ON THE ROAD for longer than 12 months? i know my cossie havent

Yep Coating will help loads!
no longer than 12 months? isn't that when the rust sets in
Actually, my first year ownership of my 3dr I drove it just about everyday for 12months.. that includes the snow

(even drove it to Canada from NYC and back without fault

)