Just installed the Amsoil 106 dual Stage foam air filter. My truck only has 3500 miles on it and likewise the stock air filter element. First drive with new filter was impressive. The turbo lag experienced with paper element is gone. Turbo whistle is more noticeable, but kinda comforting. Throttle response at highway speed 60 + + + + is also impressive. :--)
Oo.
