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Hello everyone, so I have been thinking to do a cat delete on my 2016 ats (3.6) and tune. And I wanted to know if someone has done it and whether they recommend doing or not?
 

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2014 ELR
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Of course you shouldn't do it. Modern cats are very free flowing and cost almost no HP. They also do an amazing job of cleaning tailpipe emissions. It's also illegal. Keep the cats, go ahead and get the tune. Enjoy the HP, and feel good.
 
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