BMW M3 E92 vs M4 F82 Exhaust Battle – Video

 

BMW M3 E92 vs M4 F82 Exhaust Battle.

BMW M3 Fitted with FI Complete Exhaust System includes:
Catback Valvetronic Muffler + Quad Tips

BMW M4 Fitted with FI Complete Exhaust System includes:
Catback Valvetronic Muffler + Quad Tips
Ultra High Flow Catless DownPipe