The featherweight carbon protector for maximum service life of your exhaust. Ideal protection against roost and branches. Notes: Can ONLY be fitted with a standard header. Used by Husqvarna factory team. Do you know about the special properties of carbon fiber? Extremely light: 80% lighter than steel with the same strength. Exceptionally stable: Four times more durable than aluminum. Maximum stiffness and tensile strength. Free from corrosion. High temperature durability. Minimal heat expansion.