Well it took me 3hrs to install my dump without taking the radiator out and i was lucky that all the bolts came off without any effort, now when i was intalling the downpipe to the o2 housing i noticed That the housing its too small for my 3 in downpipe and now i have a leak, has anybody gone through this how can i fix it ?

 

Are you saying that the outlet for the O2 housing is too small for the inlet on your downpipe? If that's the case... either, get a new downpipe, or get a new O2 housing? Not really any way to "fix it"?

Is it supposed to be 3"?

 

Missing the donut gasket?

 

Ho ****! I forgot the damn donut gasket hahaha its still in the other housing

 

Stick to domestics.....ahahaha. JK

At least it was a simple fix.

 

ah yes, just reading it, i knew the donut gasket was forgotten. poor donut.
most o2's are not 3" so the donut gasket is needed. there are a few that are actual 3" and the donut is not needed to seal any leaks. should be an easy fix just undoing the braces and downpipe.

 

Damn it! Yeah ill get it on wednesday i dont work that day, im not gonna use the car cause u can hear the damn exhaust leak.

 

Haha... good times.

 

Can't forget that donut gasket

 

well problem solved did it yesterday took 30min.

 

hahahahahahaha
Honest mistake though

 

Where can I get this donut gasket?? I have a muse o2 dump and the donut gasket that I have is in pretty bad shape..

 

If you're in Canada, your local Mitsu dealer should have it

 

but I have a megan downpipe...

 

Which uses an OEM donut gasket

It's an OEM piece.