Senior Member
As far as I know, the headers are the same, but the 4th and 5th gen headers have an EGR port that will have to be plugged if you put them on a 5.5gen.
At least that's the case with the 5th gen headers, it may be different for the 4th gens though.
At least that's the case with the 5th gen headers, it may be different for the 4th gens though.
Senior Member
Quote:
At least that's the case with the 5th gen headers, it may be different for the 4th gens though.
Originally Posted by Unklejoe
As far as I know, the headers are the same, but the 4th and 5th gen headers have an EGR port that will have to be plugged if you put them on a 5.5gen.At least that's the case with the 5th gen headers, it may be different for the 4th gens though.
The 4th gen doesnt have a big a$$ precat coming off the exhaust manifold.
But now that i think about it i have 3.0 manifolds on the 3.5
Senior Member
Well, I'm pretty sure the Cattman headers are exactly the same, minus the EGR port, so they should dyno pretty much the same.
The stock 3.5 headers have precats in them...stock 3.0 ones have it in the y-pipe. And yeah 02-03 3.5's didn't come with EGR.
yes they are the same, I have the 3.0 headers on my car with the bung plugged
http://www.youtube.com/watch?v=us7FO-AhN64

http://www.youtube.com/watch?v=us7FO-AhN64

Senior Member
More like...
3.5 - precat in both manifolds
3.0 5th gen CALI - front manifold precat, rear y pipe precat (w/EGR on earlier 2000's)
3.0 5th gen FED - precat both in y pipe (w/EGR)
3.0 4th gen - precat both in y pipe (w/EGR)
3.5 - precat in both manifolds
3.0 5th gen CALI - front manifold precat, rear y pipe precat (w/EGR on earlier 2000's)
3.0 5th gen FED - precat both in y pipe (w/EGR)
3.0 4th gen - precat both in y pipe (w/EGR)
Quote:
Yea, I know. wanted thoseeee! ahhahaOriginally Posted by Grand_hustle17
im buying mines tonight... already found a deal

