You don't need to whole assembly if you are willing to swap out the fuel pump insert. I never buy the whole assembly. The shiny silver fuel pump inserts into the big white plastic assembly, that's why they look different. Do some searching you will see how-to videos etc on how to swap it in, it is n...

I think you have two problems to deal with here: exhaust and possibly fuel pump. If the fuel pump is really loud, it may need replacement very soon. But the important thing is to figure out your exhaust situation. Your car has two O2 sensors from the factory, one mounted in the exhaust manifold (pri...

Best cat for fuel economy is no cat or a free flowing cat. Crappy gas mileage can be any number of things, including worn ignition components, dirty injectors, clogged PCV, stuck brake caliper, no compression, and bad vacuum leaks. You will get misfires on a non turbo if the exhaust is dumping right...

Okay, so it seems pretty clear cut (famous last words... :D ). As the others have said, your problem is exhaust, and fuel pump. Pick whichever cat fits the pipes and your budget, and don’t worry too much about it. BUT! You absolutely must either get the rear O2 back in there, or reflash the ECU with...

Worked! Beautiful O2 sensor.
(There’s also a “Preview” button... )

- S