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rozero1234

Repack Stock WR exhaust?

3 posts in this topic

is repacking an 03' WR450 (stockpipe) necessary? i searched around the forum and some say you tear out the rivets and some say repacking is not necessary. any clues?

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No... Take that endcap off the stock WR muffler and you'll see that she be hollow.

A YZ exhaust has rivets that you drill out and yes those have packing that needs to be replaced

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