Volante Shammy X2 Leather Audi a4 Clean and rub the original FB767 20 Clean and rub the original exhaust with sandpaper to remove all rust and impurities a true supercharging system is achieved that transports fresh air to the airbox at a much higher speed and capacity than traditional systems Steering Wheel X2 33 Suede black black stitching 330mm diameter Steering Wheel X2 33 Suede black black stitching 330mm diameter The steering wheel of a car has a very important function: it is the first point of contact between the driver and the vehicle you will need to: Evaluate the overall size of the original steering wheel and choose the appropriate diameter Purchase the specific hub for each car Evaluate the insertion of a quick release or spacer for an optimal driving position