Yellow Speed Racing Rear 4 Piston Ultra Big Brake Kit - Audi S3 2006-2013 (8P) Caliper Model:YSCPR4a delivering a dynamic sound profile

delivering a dynamic sound profile

and fully controllable at the touch of a button

this system delivers exceptional strength at an ultra-lightweight

full-bodied roar with a clean top-end—perfect for spirited driving and track days

FRONT REAR SPRING RATES 20k 16k UPPER MOUNT Aluminum w/ Hardened Rubber Bushings OR Pillowball Aluminum w/ Hardened Rubber Bushings OR Pillowball

Yellow Speed Racing Rear 4 Piston Ultra Big Brake Kit - Audi S3 2006-2013 (8P) Caliper Model:YSCPR4a delivering a dynamic sound profileYellow Speed Racings Ultra Series Big Brake Kit is designed for road and track use. This big brake kit features optimum braking performance, attractive looks, easy installation and a cost effective price. Factory brakes are designed primarily for daily driving on most applications. If you have added additional horsepower to your vehicle, or frequently compete in motorsports such as circuit racing, drifting, time attack or rally racing, then a big