Questions On 99 2.3 Header.

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Old 06-04-2007 | 08:38 AM
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Questions On 99 2.3 Header.

Man im stuck, im not clearly sure on which Header to buy. I need a new one ASAP due to my intake manafold is cracked. But Which to buy.... 97 Accord F22 model or 98-02 F23 Model. Iv heard many things. But I want to get it right the first time due to that im buying online. Anyone got a clear answer? Possibly someone with an updated header and same model and year. Car is a 99 2.3 (F23a1 motor)
Old 06-04-2007 | 09:22 AM
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From: ShitsBurgh
98-02 f23 that's the motor you have
Old 06-04-2007 | 09:28 AM
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Aight, I just want to be safer then sorrier you know. Cause Iv read a few things about how a 97 accord coupe exhost system would fit the car, not sure what all it included, and iv also read that some people have put 97 Accord race headers on there 99 2.3 CL, so I just wanted to make a last minute security question, I ordered the header like 3 days ago but just wanted to be sure you know.But thanks alot man.
Old 06-04-2007 | 10:07 AM
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From: ShitsBurgh
As long as you ordered the one for the 2.3 you're fine, the porting is different on the 2.2 and the 2.3 so you want the 2.3 header fo sho
Old 06-04-2007 | 11:20 AM
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Thankx man, just one of those things that I need ASAP, so I went with my gut and I suppose I got the right one, but thankx man.
Old 06-04-2007 | 06:50 PM
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Originally Posted by F23CL757
Thankx man, just one of those things that I need ASAP, so I went with my gut and I suppose I got the right one, but thankx man.
This is in my research file
Originally Posted by VXCL
to sum up what i mean real easy.
94-97 accord ex dc 4-2-1 cc header hhc5017 will bolt on perfect and the down pipe bolts up to small section of pipe between the cat and the down pipe. (this section is where the o2 sensor is on a 97 2.2cl or accord ex)

98+ 2.3cl and accord I4 dc cc header hhc5018 will also bolt up perfectly. its down pipe bolts up to the cat and has the small section of pipe that is seperate on my 97cl. where the 02 sensor goes is beyond me. im not 100% if its down there or not.

EASY way to figure out what u need. look under ur car and look at the down pipe of the stock header. does it bolt directlt to ur CAT??? if so get the 98 hhc5018. it will be bolted with 3 bolts in a triangle pattern. if not and it bolts to a small section of pipe before the cat that has the o2 sensor sticking out of it. buy the 97 hhc5017. it will be bolted together with 2 bolts across from each other.
edit: By the way I'm actually a 98 and I bought the HHC5017 and it fit PERFECTLY. The ending part is useful, though.
Old 06-04-2007 | 06:51 PM
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i used the header from a 94-97 accord..


OBX headers have 2 holes for the 02 sensor, so u can use which ever one u need.
Old 06-05-2007 | 09:06 AM
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Ya I read alot of post up here but everything was for 97's and 98's 2.2 engines. Just wanted to be sure, I got the header+downpipe for 98 Accord.
Old 06-05-2007 | 02:35 PM
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Originally Posted by F23CL757
Man im stuck, im not clearly sure on which Header to buy. I need a new one ASAP due to my intake manafold is cracked. But Which to buy.... 97 Accord F22 model or 98-02 F23 Model. Iv heard many things. But I want to get it right the first time due to that im buying online. Anyone got a clear answer? Possibly someone with an updated header and same model and year. Car is a 99 2.3 (F23a1 motor)
your intake manifold is cracked? then why are you buying header? unless you meant exhaust manifold...
Old 06-05-2007 | 02:53 PM
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From: ShitsBurgh
Originally Posted by Sleep_DEPRIVED_Sleeper
your intake manifold is cracked? then why are you buying header? unless you meant exhaust manifold...
Was wondering the same thing initially, figured he meant exhaust as well
Old 06-05-2007 | 09:49 PM
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From: Bad News, VA
Ya exhaust.. my mistake, good finding lol.
Old 06-05-2007 | 11:09 PM
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i have a 98 2.3 with a neuspeed 94-97 accord header. fit perfect
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