Bmw M3 E92 Stock Exhaust Mod : BMW E92 m3 v8 2.75 Exhaust mod vs stock BMW M4 - YouTube / Improving the flow rate and scavenging in your m3's exhaust is critical for making better power and a more enjoyable engine sound.
Bmw M3 E92 Stock Exhaust Mod : BMW E92 m3 v8 2.75 Exhaust mod vs stock BMW M4 - YouTube / Improving the flow rate and scavenging in your m3's exhaust is critical for making better power and a more enjoyable engine sound.