I've been thinking about adding a cold air intake to my 05 5.3L Silverado. The two brands I'm looking at are the K&N 57-3050 and the Spectre 9900. As everyone knows there is a big cost difference. Is the K&N 57 actually that much better then the Spectre 9900 or are you really just paying more for the name? From everything I've read I'm leaning towards the Spectre cause it seems as though it does the same thing but for less $$$.