Originally Posted by
95GSRGuy
I don't NEED to replace the cat, I'm not even sure it's a good idea. It just seems as though it's a restriction in an otherwise free-flowing system, something that keeps the system from reaching full potential.
The OEM cat is not an obstruction at or near stock power level.
There are
zero CARB-legal catalytic converters that are true "high-flow".
Swap the OEM cat-back exhausts if you want to... but keep the OEM catalytic converters installed.
It isn't worth your time and expense to replace them.