【Package Contains】500g (1.1lb) Bag Fiberglass Muffler Wrap for repacking exhaust baffles 【Loose Fill fiberglass thread】Muffler packing is a long strand “Loose Fill” with an extremely high fusion point. Loose Fill is superior to flat mats or pillows as it allows full density packing and expansion to fill all voids. The Long Strand Fibers will expand, and take a “set” after heat cycling and are less likely to get “blown-out” over time 【Maintenance application】Pillows, Cartridges, Blankets – Don’t be fooled by the hype. They do not last longer. They do not attenuate sound better. They do not fill voids and open areas better. Loose Fill is superior in every aspect and takes only a few extra minutes to pack 【Widely usages】This muffler packing features high heat temperatures of 700deg resistance, we utilize this packing exclusively in all Area P Motorcycle, Automotive, Marine and Industrial applications 【EASY TO USE】The loose fibres are woven together in long strands and are easy to fit in any silencer. The preferred method is to “Stuff-It”. If the core design does not have a removable end cap, it will require you to “Wrap-It” Lightweight and long lasting the Whites Fibreglass Fluff muffler packing will have your bike running quiter and will last longer, keeping the marshalls and your wallet happy. Suitable for both 4 and 2 stroke mufflers this convenient 750g pack will have your muffler running at optimum performance with once quick and easy change.