fastls cats!!

Noob Question

So if there is nothing wrong with your stock cats(at least nothing seems wrong), and assuming these "high-flow" ones work properly/as advertised, are there any benefits to getting them? or would you be better off or the same with stock ones?
 
well you MAY see a little better flow through them, but there are a lot of other things to get better performance out of it, switching out the cats would require a good bit of custom work. if you going as far as to replace the entire exhaust system, then i would say go for it, but otherwise i would leave the good condition factory cats alone.
 
yea, i have magnaflows and removed resonators. I dont know how, and i'm prob wrong, but my LS has always felt "restricted." These are cheap enough, maybe ill give them try.
 

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