S&B CAISP-GT500-07D JLT Super Big Air Kit Dry Filter 2007-09 GT500 Tuning Required Recommended for cars 800+ RWHPJLT 148mm Super Big Air Intake system for 2007 09 GT500. Recommended For Cars 800 RWHP and higher. New Tube Design All new and thick, roto molded plastic tubes. A full 5. 5 inch at the throttle body to mate up with the huge KB twin 75mm throttle body and 6 inch at the filter. It also has a new larger Heat Shield with two mounting points and a weather strip that seals to the hood. With a huge 6 inch opening on the tube we needed a huge filter so we got