HAve any of you guys tried the racer C&L CAI? Does it require ONLY the Diablo Predator 2, or does the regular Predator carry a custom tune for this intake? I'm just wondering b/c I'd like to get that CAI with a set of Borla straight thru mufflers, and eventually upgrade to the Paxton or Vortech Superchargers. Let me know if this would be a good idea. I wouldn't want to pay the $ for a custom tune from a shop. Thanks everyone!