Exhaust Silencer Packing Wool universal. Quality replacement exhaust packing for both 2 and 4 stroke motocross, enduro, street and bikes / ATVs. Size 500g bag. - Repacking will give you More HP.- Repacking will give your bike that new sound.- If your bike sounds better it goes better 100%- Repacking will stop vibrations and damage to your inner silencer. - Repacking will keep your engine running smother.- Fiber Material is very Hight temperature for long life. - For small silencers order the 200g bag.- TIP on how to repack, clean out the silencer well and the inner core, do not ram the new wool in just firm for best results. - ORO products are a high quality. Tools, Accessories and Part all carries our guarantee of your satisfaction. - Please see image before ordering to avoid mistakes. Part No. 34-110.5.EACH