Highest hp with stock cats

[AZ_whippleS550]

This thread convinced me to get rid of the cats noise can be fixed by resonators or the magnaflow tru x but a plugged cat can destroy an engine


https://www.mustang6g.com/forums/threads/green-cat-failure.134574/#post-2772671

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[cbrtrx]

I would remove the cats in a boosted application. I've seen some fail. That being said I've also ran stock cats to 2000* without issues.