I own a 570 and am looking to put a snorkel system in. This may be a dumb question, ....but I see a lot of snorkels facing the rear of the machine. Why wouldn't you want to mount the snorkels facing the front ? My common sense for what it is worth, ......would lead me to believe that if the snorkels would face forward you would get more airflow !?!? If it helps, I never go through water that is too deep. The deepest I go through is maybe 18-20 inches of water. I'm just looking for more airflow to the engine. Thankyou.