There is a ground wire that goes from the body of the car (one of the exhaust hanger spots) to the muffler on the driver's side. What is it for?

I recently installed an Apexi GT-Spec cat-back exhaust system, and there is a bolt and hole in it that is designated for the ground wire. I assume this means that the ground is important.

Any ideas guys?
Isaac

 

i know my oxy sensor doesn't work if a ground isn't hooked up to the exh.

 

I took off the grounding strap and made my own ground on the passenger side when I took off my stock catback and replaced it with the n1 single.

 

WTF... when I replaced stock with RB complete, I didn't see any ground wires. I looked too, because the instructions said it would be there, but couldn't find it.

 

It's to minimize rusting to the exhaust system.
If your O2 sensor quits working after removing this wire, you're got bigger problems.


-Ted

 

i just took that thing off. I didn't know it was important. Should I put a new one on? Or is it that important?

 

MINE HAS NEVER BEEN ON.... since i bought it

 

ted is right, as well as it also helps avoid engine noise on the stereo from the static electric charge that can be created at the gaskets.

 

Just put it on, it will make you sleep better at nite.

at least it did for me

I just tapped a couple of welds on my wire, but a large hose clamp out of site should be easy to do also.

 

I thought that it had something to do with the exaust over heat on the idiot lights?

 

cut mine off last year hadn't had a problem since, exhaust was already rusty when i took it off


DAN CARWIN, i belive that sensor is under the passenger side seat


-Shawn

 

Thanks guys! I feel enlightened.

Isaac

 

Anyone have a picture of the 2 points of connection of that ground wire. Like where it attachs.

Thx.

LoS

 

^bump

 

is this the wire behind the drivers side muffler?? if so i just thought it was a wire to prevent you exhaust from hitting the ground if it came loose