Good luck with the cold side wheel. I have first hand experience with crappy filters and turbine wheels with my diesel, a little over a month with a K&N and it ruined a wheel because the turbo would suck the oil out of the filter (I'm pushing 40psi+) and let fine particles though, putting nicks in the blades. With that screen and this time of year with the city laying salt and sand down, your going to kill the motor along with the compressor side of the turbo.