Invidia N1 Cat Back Exhaust 2015-2021 WRX / 2015-2021 STI

For a good balance of price and performance, Invidia offers the motorsports enthusiasts a strong line-up of Invidia N1 Exhausts that are 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.