aFe MagnumFLOW Air Filters IAF P5R A/F P5R 4(3.85)F x 8B x 7T (Inv) x 8HConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media 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.

Fully Reversible Back to OEM Spec with No Modifications Needed

- Outside Diameter: 22

B6 Audi A4 The B6 Audi A4 will only accept the Bosch 040 "High-Output" Fuel Pump

8K0-121-251-H / 8K0121251 H / 8K0 121 251 H / 8K0121251H

features smooth inner bore for maximum flow

polybushing is an easy way of dramatically improving suspension response without sacrificing too much in the way of refinement

Introducing our Sports Series High Flow Catted Downpipes for your  twin turbo S55 engine

This head gasket set contains all gaskets that are required and recommended to be changed while replacing the head gasket

Our 034Motorsport Density Line Control Arm Kits are the real deal

no loss in drivability etc

The diff bodies are machined from case hardened steel billet

The applied torque load manifests itself as an axial load from the differential pinions into the housing