3.8 LITER SUPERCHARGED. Bracket insulator. A component that insulates or isolates the Exhaust System Hanger from another component or it's mounting surface. Exhaust System Part that holds the Exhaust parts to the vehicle. and. Exhaust Tail HNGR. w/t. Bracket. Included with: Converter & Pipe, Converter & Pipe assembly, Muffler and Pipe.