The BMC OTA or Oval Trumpet Airbox is a high-performance carbon fibre airbox designed to offer outstanding airflow and heat-soak resistance in a flexible package.Carbon fibre airbox for heat resistanceOval trumpet for smooth lag-free airflow into engineBig cone filter for big airflowThe BMC Oval Trumper Airbox combines a big oiled cotton cone air filter, a 5 layer carbon fibre airbox, and an internal trumpet to ensure that your engine is fed with a smooth, steady supply, of cold air.The 5 layer carbon casing also has been designed to offer excellent heat insulation to ensure air stays cool passing through the airbox. Hot air going into your engine will rob you of power, so good insulation is essential if you take power seriously. The carbon fibre used is high quality with an attractive finish. This isn't just functional, it looks good too.An oiled cotton cone filter is used. This shape offers both much-increased surface area, and good airflow through the inside of the airbox. Oiled cot