Brushed finish, premium quality high flow exhaust manifolds made of the highest quality grade 304 stainless steel. This pair of superior manifolds are made specifically and optimized for the 350Z Z33. As a high quality aftermarket product with larger internal bores, these manifolds provide performance level power gains while also remaining within MOT limits. They are beautifully made and are the ideal complement to a Top Gear 350Z exhaust system.