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how to tell if cats are melted ? I use my “Pops And Bangs Tune” from time to time. I know it’s not the best thing for the car .
 

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2018 Q50 AWD Red Sport
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how to tell if cats are melted ? I use my “Pops And Bangs Tune” from time to time. I know it’s not the best thing for the car .
If your cats are damaged, I'd think you'd smell rotten eggs coming from the exhaust and perhaps hear some rattling underneath the car. The catalyst doesn't melt so much as break down into pieces if overheated by burning excess fuel in the exhaust. Do your car a favor and lose the pops and bang tune.
 

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Discussion Starter #3
That’s what I’m thinking about doing, just getting rid of the pops and bangs
 
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