FMF Gnarly Pipe

Pipe = SEALED!!!!!!!!!! whoooo finally! took forever! but its sealed now! and its running great + all the carb problems along with the hanging revs stopped! it has a good powerband. one it hits, its constant, it dosent let off really at all. from what i noticed ringing up and down the street. so glad its fixed tho! lol
 
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im thinking rich. should i put the 310 back in? or stay at 320?