Hey fellas, need some help. Just purchased a 2012 rs3 and looking to upgrade it. I was thinking about getting a CAI, pulley and custom tune. I'm a little nervous about the pulley though. I had a ford lightning with a smaller pulley that gave me h-ll. it kept burning spark plugs. I was thinking about going with an 85mm or 82mm pulley for my rs3 with colder plug range. I want to be around the 610 to 625hp range. Will the tune and CAI be enough to wake the car up or do i need the pulley? Not trying to get embarrassed by a bolt on. Any opinions will be greatly appreciated!