that's correct they are not legal and the only way they are is if the person who you buy it from gives you a piece of paper to say it is enginnered. Due to ADR97 from memory. Alot of people will tell you they have them and havent been booked they can consider themselves lucky. It`s due to if the have an accident there has been no adr testing on the bonnet therefore they dont know how it will smash. There habe been stories of snapping of at the hinges going through windscreen etc, the same applies to the carbon fibre bonnets out there. Biggest problem is the people that make these bonnets will not spend the money to get them engineered because it cost too much. Do a search this topic has been covered many times, The same applies to fibreglass bumpers ast they are frontal impact. Well have a nice day I looked at all this before I bought my steel xr8 bonnet. ← Thanks for clarifying that for us.. I think I made the right decision now.