Reviewed By Andrew E (Fenton, MO) Reviewed for a 2012 Volvo S60 —2/18/2014 7:05 AM
I drive mostly highway for my job, and keep close tab on my mileage. After putting in the K&N, my highway mileage went up 2 MPG. To be sure it was repeatable, I put the original paper filter back in and sure enough, I lost about 2 MPG. Needless to say, I am extremely happy with this purchase.