你试下Autozone, 其实各个Auto parts store都有

Boot kit:
http://www.autozone.com/autozone/parts/Dorman-CV-Boot-Kit/2005-Subaru-Outback-AWD/_/N-jngzdZ6o1zt?itemIdentifier=491375_492785_3250_

CV axle:
http://www.autozone.com/autozone/parts/Duralast-Gold-CV-Axle/2005-Subaru-Outback-AWD/_/N-jngzdZ6o2dc?itemIdentifier=402260_706373_12553_2805

如你会自己做，就会省很多。
http://www.youtube.com/watch?v=axQSaWbcvkU