2019 can am xmr 650
 

Came stock with 28/9/12 mega meyhams on front and 28/11/12 on back .
I have an opportunity to trade for 28/9 snipers on all 4 tires.
Will this effect my mudding capabilities negatively?

If you're asking about Interco Snipers I can't imagine a more aggressive mud tire. Mega Mayhems would be better for all other types of riding than the Snipers, but I'd have to believe the Snipers are about as good a tire for mud as you can get.

Same Width tire Front and back
 

Thanks for the response , I was referring to the width on the snipers are 9 on all 4 tires.
Stock setup is 9 on front and 11 inch width on back tires.
Would having the same 9 inch width on all 4 tires result in a loss of traction?

FWIW, there are a lot of guys running NARROW tires all around for serious mudding.

28/9 snipers on can am 650 xmr
 

Ok thanks going to try them out tomorrow

New wheels? Or the stock wider rear wheels? That might prove to be a problem (for the bead) to be stretched like that.

Also, most people go wider in front to match the rear, not the other way around. But since the Snipers are quite aggressive, you should be fine.
You will dig down more though, rather than float. Something to consider....

2019 can am xmr sniper review
 

Well I tried them out and they dig straight to the bottom and don't come out the other side lol. they ride smooth tho.
With he mayhems I could gas a lot more to get out the hole. Ill be trying out some 29.5 outlaw 2 tomorrow.
Any experience with these tires? going to keep the mayhems for now to c how the others work out