LOUD Armytrix REV BATTLE: BMW M3 E92 Coupe vs BMW M4 F82 Coupe!
Which one sounds better? The BMW M3 E92 Coupe or the BMW M4 F82 Coupe? Both are fitted with a custom Armytrix exhaust system which makes them both sound awesome but which one is your favorite? Check out the rev battle and let us know which one you prefer!
