Perfect rip of the iconic Audi quattro s1 blow off valve, a few people have tried to do this prior but they were no good so i made my own
This is my first mod, it works for me so it should for you, if not disable other sound mods.
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Dismiss NoticeGPU Fatal Error? Intel HD Graphics 620/630 Crashes? Help us solve them!

Experimental New BOV sound 1.0
Iconic audi quattro BOV sound