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I Have A 2,002 Civic HX & I Wanted To Put A DC Sports Header (Top Portion) Only, This Downpipe which I found on ebay, & a Tanabe Super Medalion Racing Exhaust. All the parts that I want are listed as fitting the EX only. Now what I need to know is, will it fit. I know the HX uses the VTEC-E engine which is different then the EX. I currently have an AEM Cold Air Intake which was listed as fitting the EX only on my car. I know in previous years of the civic that the EX & HX go hand in hand more often then the LX/DX with EX. I want to be be able to bolt this all on without modification. I'd like to have an easy removal of the down pipe when I have to take it in to get smoged, CA sucks!!!!. Thanks in advance to those who will reply.

 
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it'll fit.

you gotta extend both of the o2 sensor though... since for the HX, the o2 sensors are fitted more on the top.. so you're going to have to extend it downwards..

also, you will most likely get a check engine light on since you dont have a cat.. you may need an o2 simulator.

you can bolt it all on, and bolt it all off.. just a hassle since you're going to have to bolt on and off ALL the parts.

since the ex and hx exhaust system is different.. but since you're swapping out EVERYTHING (header, downpipe/cat, and cat back).. you'll be fine.