Cat delete custom tune an true duals

[Donnan]

Hey guys just wondering what gains there are to be made with a catalytic converter delete custom tune a true dual exhausts ?

 

[618 Syndicate]

yoU WilL gEt AlL ThE gAinS ThaT wAy


Do a search, this is being discussed in a thread currently in the exhaust section.
Then, and only then, if you are gonna ask specific questions, list vehicle details.....

 

[Erik the Awful]

Modern honeycomb catalytic converters don't cause the restriction the old pellet-style converters caused. If it's not a race truck, be a good neighbor and keep them.