The Q300 exhaust system offers a high quality race inspired system with a quiter rich sporty sound without the huge pricetag. Manufactured from polished SUS304 stainless steel, the Invidia Q300 catback exhaust systems combine top quality materials and superb craftsmanship. All Invidia Q300 catback exhausts feature mandrel-bent piping for maximum exhaust flow and reduced back pressure. Each Invidia Q300 catback exhaust is superbly crafted using robot-TIG welding for a uniform weld. All flanges on each Invidia Q300 catback exhaust are CNC-machined for precision The flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a rich deep sporty sound. The use of SUS304 polished stainless steel piping, Mandrel bent to shape, state of the art CNC machine made flange, Robot TIG welding and double wall polished stainless steel or Titanium tips, provides outstanding durability and appearance.