Yellow Speed Racing Front 8 Piston Ultra Big Brake Kit - Porsche 911 Carrera 4 & 4S 2004-2013 (997) fits_1997-2001`Lexus`ES300 Vehicle Compatibility: 10-15 Audi RS5

Vehicle Compatibility: 10-15 Audi RS5 Quattro (8T)

Does not fit Regal GS Turbo model

55mm Models (FWD) will be equipped with 14k F / 9k R spring rates

Electronic exhaust valves with stand-alone remote control

Valves Open: Silencer bypass for a full-throated

Yellow Speed Racing Front 8 Piston Ultra Big Brake Kit - Porsche 911 Carrera 4 & 4S 2004-2013 (997) fits_1997-2001`Lexus`ES300 Vehicle Compatibility: 10-15 Audi RS5Yellow 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