991.2 Turbo - GT2 manifold without catalytic converter stainless steel Porsche 911

991.2 Turbo - GT2 manifold with cat dummy stainless steel Porsche 911. This system is for operation
designed for racetracks and sporting events. There is no catalytic converter installed, just a smooth
one continuous pipes. The use of the system is not permitted within the scope of the STVZO.