donuts

Hello, apologies if this has been discussed My apex 2007 er with 8xxx km has a small exhaust leak. I heard about the gaskets made of cooper but some warn against them because the eat up the pipes. Is this true? Where can I get the best quality one (ideally in canada) but willing to order from...

Hi guys, I have an 06 Apex RTX w/7500 miles on it. I'm on my second go-round with replacing my donuts (going w/copper this time!) and I have the sled pretty well torn apart (i did not drop the suspension/track). Would you recommend any other maintenance/small upgrade items as long as I...