Here you hear the different between my exhaust systems on my EURO 3.2 M3

- OEM BMW E36 M3 exhaust

- Supersprint cod: 784306 Rear exhaust 2x76. Kat & manifold are OEM BMW

- Supersprint cod: 784302 Front exhaust replaces kat. and the Supersprint cod: 784306 Rear exhaust 2x76. the manifold is OEM BMW

- Supersprint cod: 043612 front pipe kit stainless steel and the Supersprint cod: 043606 Rear exhaust " Racing " 2x70. the manifold is OEM BMW