MST Audi S4/S5 3.0 TFSI Performance Induction Kit (B9 2019+)The high performance MST air intake kit for the Audi B9 S4 and S5 offers increased air flow and induction noise over the standard restrictive air box. Whether this kit is being installed to a standard vehicle or to an already tuned vehicle, you can be sure of the positive performance gains this will deliver. Included in the kit is a series of high quality components including: Black powder coated heat shield Black Silicone inlet pipe Red pleated