APR IC100023 Intercooler Charge Air System Fits 18-20 S4 S5 S5 SportbackTurbocharger Intercooler Kit Intercooler Charge Air System Intercooler Charge Air System; Air To Air; SPECIFICATIONS: WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov FEATURES: Dramatically Lowers Intake Air Temp The Factory Intercooler Reaches Dangerously High IAT Levels Massive Frontal Surface Area And Core Volume Highly Effective Core Design Bar And Plate Core w