Enhanced induction sound, great looks and loud recirculation dump valve noise on let off. Features Removes ugly original plastic & restrictive air box Replaces bigger silicone hoses with hard pipes Adds more power and torque More responsive and exciting driving experience Enhanced induction sound and turbo recirculation noise Free flowing cotton Air filter CNC MAF sensor boss with AS engraved logo Powder coated alloy heat-shield Adds style to your ST engine bay Easy fitting, takes less than 15-20 minutes to install Conclusion.