Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - Fuel Mileage?
Thread: Fuel Mileage?
View Single Post
Old 11-12-2012, 01:43 AM   #27
aernan
Focus Enthusiast
 
Join Date: Nov 2012
Fan#: 105907
Location: La Honda, CA
What I Drive: 2013 performance blue ST3

Posts: 84
FF Reputation: 2 aernan Good Standing Member
Buy-Sell-Trade Rating: (0)
I have K&N on my Range Rover and what I'm hearing from the car guys is it lets too much dust/dirt into the engine. Great for racing but bad for longevity. They are recommending a full synthetic fiber replacement like the ones Amsoil makes. So that's what I'm going to hunt down.
aernan is offline  
    Reply With Quote