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#1
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i have a 2000 z28 and my problem is when i accelerate, around 2500 rpm my muffler sounds like a freight trains horn........is this normal.....my car is stock 4 now......advice needed!
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#2
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Re: train noises from exhaust
its all the POWER trying to get out
but seriously, sounds like you have a resonation, either some part of internal metal has come loose inside the mufler, and is vibrating, or a metal sheild on the exhaust system is making contact and vibrating at that particular resonance. aside from that, have no clue.
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