What does a BLOW-OFF valve sound like?

What is the difference between a bypass valve and a blow-off valve? What do the different ProCharger valves sound like? What does it sound like if you put 5 valves on at the same time?!?!?!?! OK, so that last question nobody has ever asked us, but that’s OK… we grabbed our daily driven 1,000+ HP Mustang GT we nicknamed “Jack” to answer those questions above including the last one!

 

WHAT IS THE BEST BLOW-OFF VALVE?

Watch this video: https://youtu.be/jmch2CXcDrg