The Exhaust for  BMW S1000RR is manufactured in stainless steel 304 on normal A-249 in high quality;

Full curves are bent on a CN bending machine, has no welds;

The side finish in manufactured in fiberglass with injection system RTM (Resin Tranfer Molding)  Painting Texture  resists in a high quality;

Muffler with woolglass imported resists in a high temperature.

Sports exhaust sound:

Power gains when changing the sports tip: