Metal rod/hook: usually made of steel or stainless steel, welded or bolted to the exhaust pipe, with various shapes (bent hook, straight rod, curved)
Buffer component: The core part is mostly made of rubber, silicone or polyurethane materials, and may have a metal skeleton inside to enhance strength
Installation holes/buckles: used to connect with the suspension brackets of the vehicle chassis, some of which are designed with adjustable structures to adapt to different vehicle models