its a proper one made for the TT by safety devices
same as this one
http://www.stableenergies.com/Roll-Bar-Track-Days-Audi-TT-Coupe-99-/productinfo/SD-W27R/
same as this one
http://www.stableenergies.com/Roll-Bar-Track-Days-Audi-TT-Coupe-99-/productinfo/SD-W27R/