Feb 10, 2009 #1 B belinda2 New member Joined Feb 10, 2009 Messages 3 Reaction score 0 Points 1 MPV? Is this a good way to "boost" my fuel economy? Should I install one, or should I look into using two different sizes? I am also concerned about the whining. There's plenty of whining in my car already.
MPV? Is this a good way to "boost" my fuel economy? Should I install one, or should I look into using two different sizes? I am also concerned about the whining. There's plenty of whining in my car already.