> Reduced fuel consumption > Quick and easy to install > More power These are 304 stainless steel exhaust silencer replacement pipes. They are designed to directly replace the front silencer in your Td5 and Tdi exhaust system. Once replaced the pipe will give your vehicle more power or reduced fuel consumption with only a small increase in cabin noise. CNC mandrel formed for a perfect fit with laser cut flanges, the pipes have a sateen finish, deep luster appearance. Quick and easy to install.