[crabbymaddy]

ok this is my first posting so please dont get to made if its been discused just point me in the right direction. I recently found a set of true dual straight pipes off a 1998 mustnag V6 3.8 out in my local yard.....no cats or mufflers...just pure rumble. I got both sides for a wopping total of $18.00 they run from the manifold to the stainles tips....i actually think the hole thing is stainless the way it looks. Anways my question is this when i removed the part with the cats to install them i lost my drivers and passengers o2 sensor. How important are they to the car? The pony i took the pipes off of just had them connected and hanging there. Should i do the same? I grabbed the 02 sensors when i took the pipes and i haqve my old ones from the part with the cats. what harm will me not having them do? Hope im clear with my question. and thanks for any advice i get!

[6erstang2002]

throw some CEL codes, other then that not sure what else it could possibly harm. well maybe the environment...but oh well on that.

[ESG-642T]

• You don't need rear 02 sensors just the front ones.
  
• you can get MIL eliminators, or just not worry about the check engine light
  
• Please put some mufflers on that, because without it sounds like shit.

[crabbymaddy]

my check engine light was on for a bad 02 sensor anyways on bank 1 so im use to the light being on. i was just wondering about any other effects not having them would cause....lets face it they are there for a reason?

[crabbymaddy]

i do plan on putting some flowmasters on but im a "USED" kida guy so im waiting till i find some center in center out on a camaro or firebird or even a mustang. Anyone got some cheap?

[ESG-642T]

Well if the bad 02 sensor is sensor 1 bank 1 that needs to be replaced asap.

Other than that the bank 2 sensors, and cats, don't have to be on the car. I mean "legally" they do but it won't harm anything.

[crabbymaddy]

where is bank 1? thats what the ticket from autozone told me when they hooked it to the computer...thanks everyone for the help!!!

[mcqueen]

Bank 1 is the passenger side and bank 2 is the drivers side. Upstream O2 sensors are the ones right after the front cats and downstream O2 sensors are the ones near the rear cats.

[crabbymaddy]

where is bank 1 anyways? Thats what the paper the guy gave me at autozone said was bad when he hooked it up. Is that why its running rough and a little bouncy? its got new plugs and wires....help me out guys! thanks

[mcqueen]

I drew you a picture

Red rectangles are your cats
Blue circles are O2 sensors
Bank 1 = passenger side
Bank 2 = driver side
Upstream = closer to the engine
Downstream = further from the engine

[crabbymaddy]

believe it or not that picture is PERFECT for a ass like me!! i think this weekend im going to add flowmasters to my straight pipes...i cant take the noise anylonger...lol!

[crabbymaddy]

ok i got 2 new (used) Flowmasters off a mustang in the yard...they still look new so dont think they were on the car long....the inlet sticker is still in place. So i have a project for this weekend.

[walt1120]

Originally Posted by crabbymaddy ok i got 2 new (used) Flowmasters off a mustang in the yard...they still look new so dont think they were on the car long....the inlet sticker is still in place. So i have a project for this weekend.

know what flowmasters they are?