I have a 93 life originally had a h23 did a swap to 99 lude h22a4 and now my downpipe has a hole......dk if the header and downpipe were left or changed. Are these interchangeable? I'm unsure which to buy. Any help would b appreciated....thanks

 

They are interchangeable...do some research on peoples experiences w/ different headers on these motors and make up your mind on what you have the budget to afford.

 

Here ya go....

https://honda-tech.com/forums/honda-prelude-4/official-honda-prelude-header-thread-h22a-f20b-1437360/

 

The downpipe may be different. Mind you there are two different ones depending on if you have atts.
The top half is the same across the board.

 

[QUOTE=yroachy;47992595]The downpipe may be different. Mind you there are two different ones depending on if you have .
The top half is the same across the board.[/QUOTE]

What do u mean by atts?

 

Ok.so is it possible that the atts was also swapped? And how can I tell if it was