These ducts are used to increase airflow to your brakes. This will help cool the brakes, increasing the longetivity of your pads and reduce brake fade. Made out of ASA (similar to ABS but with better heat resistance) with a high quality smooth finish. Diameter of 60mm. We also sell the air tubing and cooling plates for bmw separately in our shop. The ducts have lots of adjustments and can be mounted on any car, using the included tie wraps. Price is per pair and it's only available as a set of ducts or a full brake cooling kit. The duct set includes: Universal duct left side Universal duct right side Reusable zip-ties (2 per side) The E36 and E46 brake cooling kits include: Universal duct set (see above) Cooling plates set (new hardware included) 2x Hose (1 meter) 4x Hose clamps
