This is a heat shield for exhaust pipes.
It is available in two lengths "Medium" and "Mini"
"Medium" is designed for 1-3/4 inch pipes only.
"Mini" can be used with both 1-3/4 inch and 2 inch pipes, depending on the selected base mount.
The required length of straight pipes for installation differs for each model, so please check the individual product pages for details.
It comes with easy-install base set, eliminating the need for troublesome nut welding or other modifications to the exhaust pipes.