Thread: High flow cats
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Old 12-07-2020, 10:34 AM   #2
Evil Genius of Chevrolet
TheFlyingBananaSS's Avatar
Drives: 2013 Camaro 2SS 2015 LaCrosse
Join Date: Feb 2017
Location: New York
Posts: 2,839
H/F cats will quiet the car down, but not by much like a factory cat does.
I have stainless works 3 inch H/F cats but I really need to remove them or hollow them out before I melt them. Having a supercharger can cause a cat meltdown. Be careful if you're supercharged.
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