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How loud should a stock BoV be? I really can't hear mine...

prove_it

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Joined
Jul 3, 2008
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4,201
Location
Sioux Falls, SD
The stock vavle itself is quite a bit quieter than any aftermarket valve. Even VTA isn't really that loud at WOT high rpm shifts. You'll hear it when there isn't much exhaust noise, but at speed the road noise, exhaust, and engine noises will overcome the whoosh.
 
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