Installing 2-1 MAC 004-1103 Exhaust on 83' XS400, Carb Re-jett?

GraysonFleming

XS400 Enthusiast
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Hey guys, looking to install the MAC 004-1103 header/muffler combo on my '83 Maxim. Heard from around the forum that re jetting the carburetor would be ideal, there's probably already a post regarding this, but I couldn't find it for the life of me. What size jets will I need for the carb and where can I get them? I have a stock air box installed, so no pods. Just worried about melting the pistons or running it too lean. Also, where could one find a complete carb rebuild kit? Mine don't have any issues, but the bike has 18,000 miles and it's been a while since they've been done, so I should probably do it! Any. Help greatly appreciated.
 
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