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Discussion Starter · #1 ·
I have a 03 wrx and when i rev in neutral and then let up off the gas is makes like a chirp noise from the muffler.. its weird.. anyone else have it??
 

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Discussion Starter · #3 ·
no its stock.. just sit in your car or like step on the gas with your head out the window when its parked and rev a little bit.. When i do it i hear a little like chirpin sound.. not very loud
 
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