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03-08-2009, 10:53 AM #1
I am planning on purchasing a CAI and was wondering if anyone can tell me the difference between the K&N 57,63,73, etc. series CAI's? They all seem to be the same to me, except for price.
By suede in forum Performance & FuelReplies: 0Last Post: 08-31-2009, 12:13 AM