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Well i took off my rice cannon and put on a focus sport system. And i've been hearing this almost like a whistle/psh noise when revving it high ever since i put in my cosworth headers and flex pipe. i know its not coming from the exhaust and ive taken it in to the dealership 2 times and they either dont notice it or couldnt really tell where it was coming from. is this normal?
 

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I have the same type of noise with my car, I was able to track it to the throttle body. When you hit the gas you get this type of whistle, the sounds of the engine are amplified when you open up the intake and/or exhaust. At least this is what it was in my case.
 

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EAT MORE CORN DAMNIT!!!!
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LOL think that's loud? Try the Cosworth L2.

Vaccuum cleaner
Especially first thing when you start it up.... its a great sound isn't it....
 

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yea.... it's normal. when you rev in neutral or shift you're gonna hear a little "pshhh" noise. for >$200, you definetly gain a lot of power, not to mention MAD street cred.

/rice-mentality
 
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