Yellow Speed Racing Rear 4 Piston Ultra Big Brake Kit - Volvo XC90 2003-2014 fits_2008-2015`Mercedes-Benz`C63 Configuration: Equal-length headers + X-pipe

Configuration: Equal-length headers + X-pipe valved rear

Installation will disable the OEM PASM System

FRONT REAR SPRING RATES 12k 7k UPPER MOUNT Aluminum w/ Hardened Rubber Bushings Aluminum w/ Hardened Rubber Bushings

Here is how it works:

Yellow Speed Racing Rear 4 Piston Ultra Big Brake Kit - Volvo XC90 2003-2014 fits_2008-2015`Mercedes-Benz`C63 Configuration: Equal-length headers + X-pipeYellow 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