This great silencer packing product from Acousta-Fil is designed differently to the traditional silencer wadding where you fill the desired amount, it expands to fill the space once subject to ambient heat.Expands with heat to more effectively fill space in the silencerEasy to fit, simply wrap around the perforated pipe in the silencerProvides highly effective noise reductionCan be easily cut to sizeThe Acousta-Fill fills the silencer effectively even those with complex shapes where standard exhaust wadding may suffer ensuring optimum sound absorption. Acousta-Fill can be cut to size and does not need to be tightly over wrapped, the heat from the exhaust expands accordingly.Pre Cut Widths. From the menu, select the closest to match your silencer length.Supplied per metre length