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Discussion Starter · #1 ·
I just got a stillen muffler, 2in piping, and hotshot header put on. When the rpms go past 2500 it lets out a loud screaching sound. My friend told me it will go away after you burn it through. I have had it on for like 2 weeks and its still there. Does anyone know what this is? I just want a deep tone to the exhaust. Thanks.
 
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