I have an EG and i'm putting in a LS engine with stock ls headers. The issue that I have right now is that i'm looking for a catalytic converter or a test pipe but don't know if i should buy for the engine or the car? Is there a brand out there just for this kinda swap, if so let me know my engine is complete and i'm just waiting for the exhaust to come in to put it all together, but can't do that with out a test pipe or catalytic converter.
