If you follow this channel, you’ll know that Scotty Kilmer is one crafty dude. Best thing is, he is always ready to give a useful tip to everyone who is willing to listen. These tips can save you hundreds, maybe even thousands of dollars you would have to spend on your mechanic. Keep up the good work, Scotty! In this video he explains what you have to do in order to find out whether you need a new catalytic converter. Be sure to check it out.
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