The Wilwood 03-08 Audi A4 Front Kit FNSL6R 12.88 is a high-performance brake upgrade kit designed to improve the braking power of the Audi A4. This kit includes Wilwood's Forged Narrow Superlite 6R calipers, high-performance pads, and 12.88 rotors. The 6R calipers are lightweight and feature a two-piece design with a forged aluminum body and stainless steel pistons. The kit also includes Wilwood's BP-10 SmartPads, which provide superior braking power and improved pedal feel. The rotors feature an advanced slot design that helps to reduce heat buildup and improve braking performance. This kit is an excellent choice for those looking to upgrade their Audi A4's brakes.