3606009702 DesignTek Sports exhaust made from High Grade stainless steel. For 3.6 & 3.8 ltr cars. Made from 14 - 16 gauge T304SS, polished mirror finish, Giving a 8-10 bhp that you can really feel, Superb sports car sound, throaty at idle and medium speeds. Please note this exhaust system should be fitted togeather with DesignTek 99722010025 tail pipes or Porsche 3.8L S tail pipes.