1.auto part for titanium exhaust muffler,, 2.Suitable :BMW M3E92 3.Tube Diameter:63.5mm,Tip Diameter: 76mm ,total ... weight:8kg 1.auto part for titanium exhaust muffler,,2 ... -thin titanium alloy vent-pipe play clear and crisp exhaust sound, while moving purple and blue burnish change also ... the rear add Racing feeling. auto manifold for Exhaust