New exhaust? Do I Need to re-jet??

I just picked a Leo Vince X3 full system for my 06 rmz 450. This is my first aftermarket exhaust so ive never encountered this. So let me know if theres anything I should do and what not pertaining the carb. Thanks guys!!

You may/may not, depends on how accurately it was jetted before for where you ride. Test ride and note any problems, recording the exact threaottle position (not gussing) where it occurs.

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