I snorkeled my brute and put these on at the same time, so I only re-jetted the one time. I don't have any issues.
Also, I have a K&N filter and the snorkel savers do an amazing job as a pre-filter. My K&N is spotless. I do a pretty good deal of riding in sandy conditions.
2012 Brute Force 650i
Full HDPE Skids l Dynatek CDI l K&N Air Filter l Snorkeled with 3" air intake, 2" cvt intake/exhaust l EHS Racing snorkel savers l DynoJet Kit, a/f screw 2.5 turns out l Manual fan switch l 28" Zillas (s/w) on 14" MSA Elixirs (black) l 2" RDC lift l Full Big Gun Evo exhaust l Maroon primary / Almond Secondary l Wild Boar radiator relocate l AC backrest l 1.5 in. wheel spacers