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 exhausts are engineered to produce strong mid to top-end power gains, as well as an increase in horsepower and torque. Piping diameter: 60 millimeter Tip size: 101 millimeter Package Dimensions: 149.86 L x 28.447 H x 49.022 W (centimeters) Country of Origin : Taiwan, Province Of China