aFe MagnumFLOW Air Filters Round Racing P5R A/F RR P5R 16.13 OD x 14.56 ID x 4 H E/M - 18-11603 fits_2002-2008`Audi`A4 and valve shims are available

and valve shims are available through aFeControl

Oil Level Sight Glass: Large oil level sight glass with 1/8'' NPT calibration plug set to the factory fluid level to eliminate overfilling

Easily and directly replace your stock side mirror turn signals via plug and play action with no modifications required

FRONT REAR SPRING RATES 8k 5k UPPER MOUNT Pillowball w/ Camber Plates Pillowball or Aluminum w/ Hardened Rubber Bushings

With extensive testing & development

aFe MagnumFLOW Air Filters Round Racing P5R A/F RR P5R 16.13 OD x 14.56 ID x 4 H E/M - 18-11603 fits_2002-2008`Audi`A4 and valve shims are availableConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings.