2000-04 EGR Block off

I have a similar question, but I am more interested in if anyone has seen a change in MPG after an EGR delete.

To answer your question, I am currently running with a blocked off EGR, due to an issue with tube alignment on a new set of headers. After a week, the ECU is not throwing any codes. However, I don't know if it is a good idea to remove the EGR valve in addition to the tube. My ECU was throwing a P0400 code until I discovered a disconnected vacuum line. Not sure how sensitive those sensors are, and you would have to be blocking off vacuum lines.

No CEL so far.

Yes! Those are the headers I bought on Amazon. There are many things you should consider before buying them. All of this will be in my write up, but I haven't finished it yet.

Only the tubes are stainless. Flanges and bungs are mild steel and will rust.
One O2 bung points directly at the transmission dipstick and the dipstick must be relocated.
The flange holes do not line up with mounting studs, and they have to be drilled out.
Gaskets also have to be drilled out.
Tubes are not mandrel-bent, but should still flow much better than stock manifolds.
These headers will not pass an emissions inspection (if applicable in your area), even if they pass the exhaust test. Not sure if they are Federally legal.

Just some food for thought.

***Update***

Went on my first road trip today since the EGR delete and got the P0400 code. Looks like I will have to find a way to bend that tube to fit. Also, looks like an EGR delete is not an option unless you don't care about the engine light.