Best flowing air filter?

After purchasing the ehs fuel controler I’m now looking at changing out the air filter I’m going to going with the ehs racing lid and want the best flow I have read on here some say k@n some uni.lm looking for maximum flow and protection against dirt dust.lm not a mudder I’ll go in a bit but not looking for it I will however cross creeks,rivers and a couple feet deep at best,I don’t float it.2015 grizzly 700.Thanks in advance!!