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View Full Version : Offroad Mid Exhaust Pipe


Octane89
02-23-2007, 08:36 PM
Can it be ran without the eliminators, I know the check engine will come on but anything else might go wrong.

speedfreak87
02-24-2007, 03:36 AM
The car will run i safe mod and will intern run like shit.. just buy the MIL's.

Octane89
02-24-2007, 03:40 PM
Oh I see.

dino
02-25-2007, 05:15 PM
it will run
usually fine
never seen one go into safe mod bcuz of it, just CEL stays on

speedfreak87
02-25-2007, 11:24 PM
it will run
usually fine
never seen one go into safe mod bcuz of it, just CEL stays on


that is safe mode.

dino
02-27-2007, 12:26 AM
a CEL does not mean it's in safe mode...

safe mode retards timing, richens the mix, and lowers the rev and speed limiters

my truck's CEL stays on most of the time due to it needing a retune bcuz of my non-stock MAF

again, it will run fine, u'll just have an annoying light on...

Octane89
02-27-2007, 01:56 AM
Kinda figure cause when I had my 89, I elimated the egr and ran it like that for a long time. I had all type of mods with no tune with cel light on. I dunno modulars are different :huh:

speedfreak87
02-27-2007, 02:10 AM
a CEL does not mean it's in safe mode...

safe mode retards timing, richens the mix, and lowers the rev and speed limiters

my truck's CEL stays on most of the time due to it needing a retune bcuz of my non-stock MAF

again, it will run fine, u'll just have an annoying light on...


really? any mod motor mustang that I've been around that had the factory computer with a check engine light on, ran a little on the fat side.. come to think of it, any OBDII car for that matter. I could be wrong though......

blackonblacksls
02-27-2007, 10:51 PM
i ran mine a while with no tune or mils... nothin major didnt seem too be any slower. but didnt seem faster either.

dino
03-04-2007, 03:07 AM
really? any mod motor mustang that I've been around that had the factory computer with a check engine light on, ran a little on the fat side.. come to think of it, any OBDII car for that matter. I could be wrong though......
any computer controlled vehicle will run a lil on the fat side from the factory
deleting cats makes it more noticable...

Bulldog Stang
03-04-2007, 01:57 PM
I agree ... It will make it run a little fat/rich ... and you can tell it or smell it in the exhaust ... if you have a diable tuner, you can bump your timing down a hair, maybe 1-2 degrees and it should be fine .. also, if you have tuner, you can turn the CEL off as well ...

dragrace4fun
03-08-2007, 06:47 PM
Yeah, I ran mine without o2s hooked up until I got the extensions onboard. Never had power issues, and didn't go into "safe mode." Check engine light was on, but ran JUST FINE...