ㆍPipe size : ø63.5 /ø60.5

ㆍ Main Muffler : 240×140 Oval type

ㆍ Tip Size : ø89×2

ㆍ SUS304, Tig Special Welding, 3D Bending

By installing a secondary muffler at the middle, we minimaized the sound of the Interior Booming and noise. We used left and right exhaust that improves the distribution through Dynamo test and we also formed the optimum back pressure by using simple layout and Y-tube. By using Φ89.1 formed Overwhelming to the rear diffuser and a tight quad-cutters, we can make it be seen like sports sedan image. Rich bass sound is attractive, especially at low speed.

To test the Audi vehicles with Dynamo equipment made by MAHA corp. in Germany, we composed optimized the layout of many of the products through many kinds of tests with equipment that can calculate the mission rate and power distribution by tip tronic and S-tronic.

We raised 3.2 horsepower, 0.3kg.m in torque than the original one. The maximum torque was formed early in the 100RPM.