Negative Positive
Title: wish I had always used these K&N filters.
Review: I got this K&N oil filter for my car after reading about the anti-drainback valve, it's a genius idea, I don't know how my car survived without these, cold starts are real hard on the motor, now I know there is oil lubricating the motor instead of just sitting in the oil pan, great product, I will use only these from now on.
Is the review positive or negative? 