These Ducts are used to help cool alternator brakes etc and are a great addition to your e36. These are printed in a Carbon Fibre Thermoplastic. (3D XTECH ASA CF) and have been tested at high speed and long distance traveling with no issues! There are 2 Models,with a 60mm and 70mm Rear hole diameter. The Design Fits sung in to position and each part is designed with feet where the user can drill and screw into the bottom of the feat to secure the Part to the Front bumper. They are shipped royal mail 48hr tracked for peace of mind! Can also be sent ebay global shipping program
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