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Discussion Starter #1
I have a 2000 Ford with 4in duals with no muffler and when I am running at a constant rpm my exhaust just blows real loud. It sounds like a real loud shhhhhhhhh noise. Just like when it high idles also. It seems like it just started when I put my afe cold air intake on. So I was just wandering if it was normal but it gets real anoying.
 

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I wonder if you're hearing turbo surge? What rpm does the noise happen at?
 

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mine does it when its cold but its helping it warm up my EGT's get up to 600 deg at low speeds and it has no power thats the good old EBPV for ya .
 

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Discussion Starter #5
It does it all the time but I only notice it a low speeds when my egt's are under 500. And by the way what it turbo surge?
 
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