Tunable Induction Stealth Series Cold Air Intake Kit (CAI) for all 2005-2007 Ford Mustang 4.0L V6 cars! Expect +18-22 rwhp and +20-22 rwtq, when used with an SCT Xcalibrator 2 with 87 octane tune! That a huge improvement over stock. See their website for full details at www.tunableinduction.com