metallic 'ting' sound from rear of the car?
#1
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I bought a 00 TA with a FloPro muffler and everytime you put it in gear or torque brake it you hear a quick metalic sounding "ting" "ting" from the back. I think that the muffler is hitting something on the chassis or maybe something is broken off inside the muffler>
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#2
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Dude, I had the same thing happen with my new borla I bought this summer. I thought they might have left the hangers loose or something when they installed it, but it went away on its own. I don't know if it was because the muffler was new or whether the y-pipe was rattling on the support brace... I can tell that mine is fine now and it is a whole lot louder now than when I bought it a month ago!
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Check your U joints. The exhaust would make a louder bang or rattle instead of a pinging noise. Mine does the same thing but never checked the U joints yet.
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I had the same problem with mine... but before I even messed with the exhaust, I believe you'll find it to be the U-joints. I had mine replaced a couple of times under warrenty. Then they finally ended up replacing the driveshaft. They say that the aluminum driveshafts tend to make the noise more noticeable, than a normal driveshaft would. I've now got an '03 GMC (with an aluminum driveshaft) and it's making the same noise.