As part of our design we make every effort to optimize flow volume and flow velocity through the use of proper tubing length and diameter, and low restriction mufflers. Skunk2 designs make more power by optimizing the wave scavenging characteristics of the exhaust. All of our exhaust components are developed and proven on the engine dyno or the chassis dyno, and are made from aircraft quality 304 stainless steel that is mandrel bent and precision TIG welded for exceptional quality, strength, and flow characteristics.