My exhaust manifold is cracked. How hard are they to replace?  Where is the best place to get one? I will go back with stock , unless that is not a good idea.

That looks like a 12v california exhaust manifold with egr. You have a 24?

Are they the same? Just block off the EGR?   The order says it is for my 24v.

That is the wrong manifold.  24V have round exhaust ports.  12V have rectangular

Thanks I will return it.

Make sure you sing the little "Rock Auto..." jingle when you do

On 4/20/2018 at 9:57 AM, KATOOM said:

If mine ever cracks I'll likely replace it with a 3 piece simply to avoid it ever cracking again and because the come pre-drilled.  Thats me saying that now though...

 

I have seen just as many 3 piece manifolds cracked as I have the stock one piece. I had an ats that was cracked terribly.

1 hour ago, jlbayes said:

 

I have seen just as many 3 piece manifolds cracked as I have the stock one piece. I had an ats that was cracked terribly.

 

That right there is valuable information...  Thank you.  There's no need extra spending money to solve something if its not solving anything.

You're welcome. I am in much favor of the one piece stainless manifolds (regardless of manufacture). Steeds work as well but they kill spool up due to the CSA (cross sectional area) of the manifold.

You could replace a cracked OEM manifold every few months for the price of a stainless.

21 minutes ago, KATOOM said:

You could replace a cracked OEM manifold every few months for the price of a stainless.

 

Or you can be like me and not even bother because the exhaust manifold never cracked and I'm at 341k miles and rolling yet.

I just installed a BD stainless manifold.  I'm really happy with it.  There is a noticeable difference in performance.  My original manifold cracked out where I had installed the pyro probe years ago. Only had it on for a few months now but I like it.

19 hours ago, KATOOM said:

You could replace a cracked OEM manifold every few months for the price of a stainless.

 

Why I buy mine used LOL

Got hopefully the correct manifold this time.  When I drill for my EGT does that only monitor the last three cylinders 4 5 and 6?

That is correct.

1 hour ago, mountaindan said:

Got hopefully the correct manifold this time.  When I drill for my EGT does that only monitor the last three cylinders 4 5 and 6?

 

The back three cylinders run the hottest due to air flow and coolant restrictions, numbers 5 and 6 specifically.  Knowing the exhaust temp of those three is most important.

Got the broken one off, new one on, just need to torque it down, install the turbo and drink a beer, not a bad at all. Raining here now so I will have to drink two beers.  Thanks for your help guys and gals.