How to make Audi go stututu (Turbo Flutter)? Do you want your Audi or Volkswagen to sound like a Toyota Supra or any J2Z car? Does it sound basic when you rev your Audi and you want the extra turbo flutter? The “stututu” noise for those of you that don’t know yet is a turbo flutter. The turbo flutter noise is produced while the turbo is operating in compressor surge, as the compressor 'chops' through the air rather than pushing the air into the engine. Disclaimer This is a DIY method and will require 0$ and no extra car mod... read full review »