Ebay Header Recommandation

T

Terrence

Member
http://shop.ebay.com/items/__m3-header_W0QQ_kwZm3QQ_kwZheaderQQ_ckwZeuro?_trksid=p3286.m104.l1199

Here is so many cheap headers on ebay.

Since my car is US spec, i need to change header to get more ponys.

Anyone had experience with ebay headers? or recommandation?

Thanks for your infos.

T.
 
Be advised that you will be removing the Catalytic converters and if you O2 sensor bungs (holes/mounts) are not perfect you will not be using them also.

You WILL be throwing a SES light and cannot get rid of it. Even with the O2 sensors installed, they (the sensors) will not see a change in emissions from the cats so you will get the light...

I am not sure of this, but I think that when you take your car in for your state inspection (if your state has one) you will automatically fail due to the SES light...

On the Z4, I think the max HP gain you will see is 15 to 20. And that may be pushing it..
 
Shipkiller said:
Be advised that you will be removing the Catalytic converters and if you O2 sensor bungs (holes/mounts) are not perfect you will not be using them also.

You WILL be throwing a SES light and cannot get rid of it. Even with the O2 sensors installed, they (the sensors) will not see a change in emissions from the cats so you will get the light...

I am not sure of this, but I think that when you take your car in for your state inspection (if your state has one) you will automatically fail due to the SES light...

On the Z4, I think the max HP gain you will see is 15 to 20. And that may be pushing it..
Click to expand...

I heard there is way to remove error. i should research when i'm decide to pull the trigger
 
Got a set of original Super Sprint headers. You will need new cats, and it's a crap shoot weather they will throw a CEL. There are no cat sims available for our ms system, and if you take them out of the computer loop all together, the car will not pass emmision here in Maryland ( most other states too ).

The gains are nominal on stock cars (5-10 hp at best). Results will be better with a custom tune or FI. Plus ebay headers are crap. Had set to compare to the SS.
 
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