KW H.A.S. Audi A4 S4 (8K/B8) Avant Quattro All - 25310078 fits_2009-2013`Subaru`Forester Fully Serviceable Injen 8-Layer Oiled

Fully Serviceable Injen 8-Layer Oiled Cotton Gauze

and a great warranty

which also allows you to add additional channels to a non-AEM ECU

K&N washable cabin air filters are engineered to fit directly into your factory air box

the jounce bumper inside the air spring prevents bottoming out

KW H.A.S. Audi A4 S4 (8K/B8) Avant Quattro All - 25310078 fits_2009-2013`Subaru`Forester Fully Serviceable Injen 8-Layer OiledKW (H. A. S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H. A. S. systems allow you to adjust the vehicle ride height with the KW height adjuster even after the kit has been installed. Your vehicle not only gets a more dynamic look, but also the steering behavior and response of the standard dampers becomes more agile. All driver assistance systems and