50.0233.00, Fiat 500 (typ312) 1.3 Mjet (55kW) 02/2007-, Particulate filter replacement pipe group N + Stainless steel centre pipe group N - to be installed with Ragazzon's rear silencerOversized exhaust pipe diameter. Not compatible with the pipe diameter of the original line. pipe outer diameter 50mm outer outlet diameter 48mm