Top definition
This is a "made up" term used on the popular Trinidadian, automobile website to determine who really knows about cars. Cars do not carry muffler bearings.
When last did you change your muffler bearings?
by drebel_3 February 17, 2010
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A real howl for prank-calling kids of our 70's past: get a naive auto parts clerk on the phone (dumb teen, etc.) and ask for "muffler bearings". A bigger howl when they realize the gag, and get back on the phone and cuss you out.

Obviously dated, due to caller ID.

Related to asking for "Johnson Rods"
see above described usage
by Zelph August 09, 2004
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Contrary to popular belief, muffler bearings do exist, just ask your local dodge stealth or mitsubisi gt3000 owner. Although a popular prank to pull on the not so automotive savy muffler bearings are located inside the muffler, in order to operate a flap which opens and closes depending on the exhaust flow directing flow back into the turbo. Due to inconvienience (carbon/other buildup often jammed the bearings causing noise and poor performance) the bearings are only found on older models.
Hey go into the garage and grab the blinker fluid and spare muffler bearings!
by carCHICKknows April 02, 2009
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A fictional term that bullies use when they ask questions or give maintance advice to ricers.

There is no such thing as muffler bearings however most guys who know nothing about cars can easily be convinced that it is part of their maintance.
Ricer: Is there anything I need to know before I install my new exhaust system?

Bully: Make sure to grease those muffler bearings before the install (bully laughs under his breath)
by truckguy6 June 28, 2007
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5
a muffler bearing is a term used when you here a loud rattleing sound comeing from the under carrige of a passing car or maybe your own
by peter gosinya February 04, 2008
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