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Are the blow off valves any different in noise than stock?

Are the both clocked to face up or down? Or one up and other down?

Does the upper piping come with everything needed for install?
 

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Discussion Starter · #4 ·
They are recirculating. They are not as loud as a VTA BOV. They are louder than stock.
You can rotate them to face however you choose.
Yes they come the same as AAM sells them. With the couplers/clamps.
 
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