k&n is making an hd filter also with a dry element.
dump trucks get haseled the most.
what jmorgn said is correct. plus you have to go and test with an instuctor also in the field with an air brakes vehicle.
congrats miguel!!!! im about to buy an 8600 with a ism 425 cummins to add to my fleet of dodges.
third gen common rail trucks probly the best light duty truck ever made.
name is tony o/o just wanting to say hello.