Also added a FISCH Moto size 30 dual arrestor recently. Wasn't able to get it to sit flush with the tail pipe, will likely wind up removing it, cutting the stinger off and reinstalling flush against the back of the muffler can.
FISCH MOTO Spark Arrestor USFS, UNIVERSAL (Dirt bike, ATV) (KIT 30 (29.5mm-35.4mm / 1.161”-1.394”) Tail pipe)
https://a.co/d/002TVfI