I've been to many different civic forums using the search option and gone through all the F.A.Q.

I'm trying to find out what aftermarket exhaust header will fit my wife's 04 civic sedan auto tranny value package. Any help would be greatly appreciated.

 

Well, there aren't that many options for non-EX Civics. Why are you trying to get a header for her car? It's not going to increase the performance at all.

 

I think it will with a full exhaust, so what are the options then?

 

Well, if you're replacing the whole exhaust, you can go with an EX cat-back, EX header, and then just look at some junkyards for the B-pipe section with the catalytic converter in it. But, even with a complete exhaust and intake, you're looking at negligible returns in power. It's well-documented in the FAQ's for a reason.

 

I have seen the difference in header collector length from EX to DX/LX. Any other difference or reason to choose one over the other?

 

I have a new DC Sports EX header for sale. You will need to convert the whole EX exhaust system though, as Matt said.

 

The EX has more options available to it, so the change over would be advantageous from an aftermarket perspective. The only modification you may have to do, is some minor wire extensions for the secondary oxygen sensor. Nothing too difficult, though.

 

Thanks,

 

i put header back exhaust on my vp and got like 75hp out of it just kidding what i got was a lighter wallet and a nicer sounding exhaust thats pretty much it i got the megan header from egay like 80 bucks i think and tsudo exhaust also from egay but remember if u gatwick the megan header you loose the cat and u will need a o2 cell eliminator to turn the cell off or it goes into limp mode and you will loose power.