Is there a difference between the 2.0 and the 2.4 exhaust manifold "header" I have seen some pics of some ecotec exhaust manifold that only look like they have a 3/4 opening at the collector and some have a fully opened collector.. Has anyone ported a lsj exhaust manifold and put it on there 2.4? Has anyone put a GMPP header on there 2.4??

what would be the difference between porting a lsj manifold myself and buy a GMPP header?

I know that the GMPP is the worth flowing header..but I want to retain my warranty..my local dealer is picky..lol..

 

2.0 and 2.4 uses the same exhaust manifold!

GMPP manifold is a 2.0/2.4 manifold that has been extrude-honed. Supposed to provide 7% more flow capability.

 

Yes the 2.0 and the 2.4L manifold are the same.


FYI it is not a header... A header is manufactured from "tubes" a manifold is "cast"

 

hmm, you can get a shorty header like CA and it wont give you any sort of check engine lights or codes. thats what i got

 

so if you got some 2.4 headers... whould it fit on a 2.0

 

yes it will there the same

 

so to add to my other question, if you had headers for a 2.4 and you put them on a 2.0 will every thing bolt up the same. becouse some fool is selling a header down pipe combo, for his 2.4... but the problem is i have a 2.0 ss/sc. so will it fit ? or will some modification be needed

 

Have you searched on this subject yet at all? Probably not, since you have 7 posts. Use the search button please, people ask this ? a lot.

 

ya it will fit the 2.0 and 2.4 both have the same exhausts