The Invidia N1 exhaust system offers a high quality race inspired system without the huge pricetag. Manufactured from polished SUS304 stainless steel, the Invidia N1 catback exhaust systems combine top quality materials and superb craftsmanship. All Invidia N1 catback exhausts feature mandrel-bent piping for maximum exhaust flow and reduced back pressure. Each Invidia N1 catback exhaust is superbly crafted using robot-TIG welding for a uniform weld. All flanges on each Invidia N1 catback exhaust are CNC-machined for precision. Invidia N1 catback exhausts are engineered to produce strong mid to top-end power gains, as well as an increase in horsepower and torque. Invidia N1 catback exhaust systems are dyno proven to maximize engine response and power. Invidia catback exhausts are known for their consistent quality, performance, and superb craftsmanship.