Improved Motorcycle Muffler (1.1)

After years of dedicated work, Goblin engineers have created an ultraquiet (silent) muffler for those pesky, loud engineering motorcycles!

Simply extract the rar file to

*World of Warcraft Directory*\Data\
or for some people
*World of Warcraft Directory*\Data\enUS\

Now you never have to hear another motorcycle sound ever! (Including possibly the Ulduar motorbike!)