For a good balance of price and performance, invidia offers the motorsports enthusiasts a strong line-up of invidia n1 exhaust is constructed with high-quality sus304 stainless steel, cnc-machined flanges, and manufactured with a polished finish. each system features mandrel-bent stainless steel piping for maximum exhaust flow and reduced back pressure. these sxhausts are engineered to produce strong mid to top-end power gains, as well as an increase in horsepower and torque.