Glass wool covered with stainless steel wool. Universal Polini glass wool for generic exhausts and mufflers. The glass wool covered with stainless steel wool has a sound-absorbing function for racing engines. Polini Code: 217.0020
Glass wool for muffler. Universal Polini glass wool for generic exhausts and mufflers. Mineral glass wool has a sound-absorbing function. Polini Code: 217.0010