Audi RS4 B9 with Custom Exhaust - LOUD Acceleration Sounds !

During multiple events in 2021 and 2020 we saw these Audi RS4's fitted with a custom exhaust system. In this video you will see some accelerations and exhaust sounds ! These video were filmed at the Haspengouw Tour, Cars & Sushi, Raceball Rally, Runball Rally and in Monaco. 🤝 Support us, become a member:    / @exoticcarspotters   Want more? Follow us👇 📹 Subscribe: https://www.youtube.com/c/exoticcarsp... 📸 Instagram:   / exoticcarspotters   👻 Snapchat:   / ecsvideos   👥 Facebook:   / ecsvideos   🌐 Website: https://www.exoticcarspotters.com/ Enjoyed this video? Give it a like and subscribe so you don't miss what's coming next! #Audi #RS4 #RS4B9