Porterfield Brake Pads for 2018 AUDI A4 - 338mm Front Disc Compound:R4-S Use the included mounting hardware

Use the included mounting hardware – do not substitute with longer or shorter screws

Check your owner's manual for any climate control or defrost system integration specific to your model year

Both functions operate through the factory switch and body control module

and calibrated before shipping

Porterfield Brake Pads for 2018 AUDI A4 - 338mm Front Disc Compound:R4-S Use the included mounting hardwarePorterfield Brake Pads for 2018 AUDI A4 338mm Front Disc Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also allows