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Discussion Starter #1
How would the stock exhaust compare to a APEXi GT Spec w/ the silencer installed

(also with an SP downpipe)

The reason why Im asking is becuase I was having a hard time hitting full boost, but I kinda remember that I would easly hit high boost at the lowest setting when the silencer was out..

thanks!
 

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The silencer is going to be a very big restriction, no matter how much you can flow through the exhaust. Blow into a big diameter straw with a small, pin-size opening at the end and you will notice your face getting red. Harder to blow the same amount air than a big opening.
 
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Discussion Starter #3
ya.. I tested my theory this morning... hit full boost very easly..
 
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