Installed a K&N Filter, replacing the stock filter.....
after two weeks i have the results....
between .6-.8 LESS MPG, the stock one was dirty so i installed a new K&N filter and i am getting less performance from it. Stock is better.
2008 Jeep Wrangler Unlimited Sahara Black 6 Speed Manual
3.5" Rubicon Express Super Flex Lift Kit, 35" Nitto Mud Grapplers on 18" Black Ballistic Jesters, Fab Fours Rear Bumper w/Tire Carrier, Rugged Ridge XHD Front Bumper Winch Mount w/Stinger Hoop and End Caps, 8,000lb Winch
Note to self: Rotate tires at 58,500 Miles.