Porterfield Brake Pads for 2018 AUDI A7/A7 Quattro w/356mm Front Discs Compound:R-4 or should I leave it

or should I leave it as-is

Refer to your owner's manual for the correct gauge and length

Chillout Systems Pro/V3 Mountable Wired Remote Control

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Porterfield Brake Pads for 2018 AUDI A7/A7 Quattro w/356mm Front Discs Compound:R-4 or should I leave itPorterfield Brake Pads for 2018 AUDI A7 A7 Quattro w 356mm Front Discs 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