Yellow Speed Racing Rear 4 Piston Ultra Big Brake Kit - Mazda CX-9 2007-2015 (TB) Caliper Model:YSCPR4a We know every GT4 RS

We know every GT4 RS owner has their own taste in sound—so this system is offered in three unique configurations:

Ferrari 458 Speciale / Aperta Titanium Valved Exhaust System

motorsport-inspired tone

A= Measurement from center of upper lower mount bolt to center of bottom lower mount bolt

Yellow Speed Racing Rear 4 Piston Ultra Big Brake Kit - Mazda CX-9 2007-2015 (TB) Caliper Model:YSCPR4a We know every GT4 RSYellow 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