Catalytic converter options

[gilli92]

hey guys im about to get a new exhaust system and im going with the cherry bomb vortex muffler but what cats do you guys recommend? what size is the piping?2.25" or 2.5"

 

[gilli92]

Bump!

 

[nyc4runnin]

i suggest u dont mess with the factory cats as they are expensive, and very picky on O2 sensors.