Quote:
Originally Posted by BMW86
From what I've read it goes HKS, Synapse and then Tial from loudest to stealth. I'm happy with the volume of my Synapse though.. it's loud but not too over the top. To be honest, I've never heard another BMW with a BOV before so I can only go on the sound clips I've come across on youtube but they're not very accurate when it comes to volume or sound.
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Yeh I have had a listen on youtube a few times but its really hard to get a good idea of volume from the different products, its really just different sounds that I can hear.