Greddy BOV Type S

Ok here is the deal ... If the BOV valve is conected to the intercooler the car will run perfectly but the BOV will not make any sound whatsoever ... If i Unplug the hose that goes from the BOV to the intercooler. The Idle will go nuts ... but the BOV will scream beautyfully ... Obiously i rather for the car to run like it should ... but at the same time, I love that sound way too much .. plus i dont think it makes sence to have a BOV that will not make any sound ... I am pretty sre that with your guys's help i can get both ... Please help me!!!!
 

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