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butterfly valve


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im trying to make my mk3 quieter

it is stupid loud no matter how you drive it. Ive started to wear earplugs!

im going to be sound deadening the back and the tunnel to try and reduce noise in the cabin

would a butterfly valve also help with this? can you get them that arent electronically controlled?

The system is pretty much 6branch - straight through to backbox

dont get me wrong it sounds unreal outside, but inside its more than annoying

Thanks

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I have that too it is loud on full taps and i have a centre box, it sounds like the apocalypse is happening doesn't it, specially if youre in a tunnel. I was complaining about the 2krpm drone to my fiancée just yesterday, if if didn't have that it would be perfect.

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