Yellow Speed Racing Front 6 Piston Ultra Big Brake Kit - Mini Cooper Convertible 2009-2015 (R57) Rotor Size:345mm x 32mm When this controller is installed

When this controller is installed you have full control over the factory exhaust valves

Even with Porsche’s PSE system

BMW G90 M5 Valved Exhaust System

and a rich tone

Precision TIG Welding: Ensures long-lasting strength and a flawless finish

Yellow Speed Racing Front 6 Piston Ultra Big Brake Kit - Mini Cooper Convertible 2009-2015 (R57) Rotor Size:345mm x 32mm When this controller is installedYellow 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