Hey all,
I'm building my own exhaust system for my '91 base stealth, and I plan on pulling out the cat so I can just put a single pipe through it all. However, I'm confused about the O2 sensor. What do I need to do to the new piping to accommodate for the sensor?

I also plan on buying a Flowmaster muffler, and I was going to buy the 44 series. It's got twin outlets though, which makes me wonder if that'll fit the cutout in the bumper or not.

Can you guys give me a hand with this? Any help would be great.

Thanks,
Dizzy

EDIT:
Also, if anyone knows off-hand what lengths/how much piping I'm going to need, or what the best way to measure the existing length is, please let me know.

 

with O2 sensors, just make sure after you take the old pipe off you have a place in the new pipe to put the O2 sensor in. Any exhaust shop can weld a bung on it if you need to. 44 series muffler should fit but i'm not sure. I never had mufflers on my stealth.