The exhaust elbow is generally located where the blows fall: at the bottom of the bike, in the full force of stone chips and flying debris. Rust, damage and all kinds of trouble are just about certain. Especially if you like to go off road.
Prevention is better than cure. So consider this universal protection that can be quickly and easily placed over your existing exhaust pipe. Each one is semi-flexible and made of stainless steel.
Of course, the label 'universal' has some limitations, so use the product finder on this page to find out if these will fit your type of motorcycle.