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I just installed a test pipe and it is making an extremely annoying buzzing rattling sound. Does anyone know why it is doing this and how to fix it? It's driving me nuts. Thanks.
maybe your car just sounds like shit now because you are killing any backpressure you ever had?
It's only in a narrow band of rpms and never when I lift throtle, the exhaust from the cat back is stock, with a resonator, 2 90 degrees bends, and stock muffler. It's not a sound it should make, something is rattling but it's nothing I can see.
