Akrapovic Evolution Header Set (Titanium) - Porsche 911 (992) GT3 | GT3 TouringThis product is made using high grade titanium, with the parts sandblasted and coated for durability. This new header set has a routing that has been designed to perfectly direct the gas flow. Showcasing the special manifold crossover pipes in the headers, cast in the Akrapovi in house titanium foundry, this innovative design comes directly from race proven exhaust systems, and this is the first time it has featured in an Akrapovi aftermarket car