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horsepower gain?

 
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Old 10-27-2010, 04:10 PM
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horsepower gain?

whats up ladies and gentlemen, well i been searching around to see if a megan header can add horsepower but i guess it doesnt really make a difference. so im posting this to see if u can suggest any easy modifications that can add horsepower to my 98 h22a4 prelude, vtec, 5spd. I have a aem intake already and well my budget is no more than 350 dollars. What can i install to make my car gain horsepower? Thank you to all who respond
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Old 10-27-2010, 08:46 PM
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Re: horsepower gain?

i have megan racing headers there good i got a whole exhaust done tho and didnt cost that much if your only going to get the headers id either wait and spend the money else where or buy it and put it aside till you have the funds to do the whole exhaust
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Old 10-27-2010, 08:49 PM
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Re: horsepower gain?

Get the headers. By itself, the headers won't do much. But if you get an exhaust system it'll get you more gains. The intake will help with the headers too.
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Old 10-27-2010, 10:46 PM
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Re: horsepower gain?

spend your money elsewhere
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Old 10-27-2010, 10:56 PM
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Re: horsepower gain?

alright i think im going to get the megan header but i still need to install a full exhaust what would u recommend, a 2.5" piping
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Old 10-27-2010, 10:58 PM
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Re: horsepower gain?

i heard some good gains on 3" even with everything being stock
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Old 10-27-2010, 11:00 PM
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Re: horsepower gain?

you are wasting your money on that header
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Old 10-27-2010, 11:02 PM
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Re: horsepower gain?

too bad the OEM header probably flows better than a megan.

OEM for the H22 is a 4-2-1 design.
IMO, take off the OEM one and make sure the port size is perfectly matched to the gasket and the head.

3 inch exhaust is way to big on a stock engine, you will lose a bit of torque with that.
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Old 10-27-2010, 11:05 PM
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Re: horsepower gain?

Pleast listen to 98vtec. He knows what he's talking about. Just look up his build thread on here.

Your wasting money on that header. If your looking for a real horsepower gain from a header, save up and get a hytech, rmf, smsp(dont know if thats correct), or a mugen header. Theyre all around a grand(give or take) but theyre really the only headers that show any gains on our motors.

Save the $350 for a real header or spend the money on something else. Also an exhaust wont really get u that much hp either.
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Old 10-27-2010, 11:12 PM
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Re: horsepower gain?

Im not looking to get a lot of horsepower. im looking to get at least 20 horsepower to the motor with a whole exhaust system and header.....Anyways why are u saying that im wasting my money on the megan header?
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Old 10-27-2010, 11:18 PM
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Re: horsepower gain?

Quote:
Originally Posted by lude4ever View Post
Im not looking to get a lot of horsepower. im looking to get at least 20 horsepower to the motor with a whole exhaust system and header.....Anyways why are u saying that im wasting my money on the megan header?
because its simply a stock replacement header.

if you are looking for that kind of power, be ready to spend 1300+ on a nice (non taiwan made) exhaust setup.

the stock header is fine for most people. Put that money towards something that will actually make a noticeable difference. Something like a final drive.

and 3" is not too big for a catback.
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Old 10-27-2010, 11:19 PM
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Re: horsepower gain?

Quote:
Originally Posted by lude4ever View Post
Im not looking to get a lot of horsepower. im looking to get at least 20 horsepower to the motor with a whole exhaust system and header.....Anyways why are u saying that im wasting my money on the megan header?
hahaha good luck on that dude. chances are that megan header will take away power. 20whp from any exahust is a challenge and a half. hytech replica headers are dynoed to produce 9-12whp untuned. i also saw dyno sheets showing a 3" untuned exhaust made more hp/tq than a 2.5" tuned exhaust. no matter what you do though your budget is way too low. so do a lot of research if you want to show more for your money than shiny parts
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Old 10-27-2010, 11:26 PM
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Re: horsepower gain?

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Do a lot of research if you want to show more for your money than shiny parts
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Old 10-27-2010, 11:34 PM
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Re: horsepower gain?

go to preludepower.com and look for the hytec replica group buy. kronn is the guy to talk to . you can get the header like $320 shipped .
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Old 10-27-2010, 11:41 PM
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Re: horsepower gain?

Quote:
Originally Posted by cajunoutkast View Post
go to preludepower.com and look for the hytec replica group buy. kronn is the guy to talk to . you can get the header like $320 shipped .
said it for me.
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Old 10-27-2010, 11:49 PM
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Re: horsepower gain?

Quote:
Originally Posted by 98vtec View Post
and 3" is not too big for a catback.
lol forgot I was on PZ and not on rpr, yeah 3 inch is fine for a h22. IMO smoothness of flow is more important than size.

A little d/EW series on a 3 inch, yeah right.
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Old 10-28-2010, 01:38 AM
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Re: horsepower gain?

Quote:
Originally Posted by lude4ever View Post
Im not looking to get a lot of horsepower. im looking to get at least 20 horsepower to the motor with a whole exhaust system and header.....Anyways why are u saying that im wasting my money on the megan header?
Ditto to what has been mentioned and something I can add:

Quote from Honda-tech, Click ME:

"DC Sports 4-2-1
Greddy 4-2-1
Megan Racing 4-2-1
OBX Racing 4-2-1
Pacesetter 4-2-1
These are the CARB legal headers. These headers make little WHP over stock, if any. I don’t see why anyone would want to waste their money on it. If you plan to get a CARB legal header, stick w/ the OBX Racing one, because you can get it for under $200 on eBay. All the headers feature a small 2.0” collector that restricts exhaust flow. A popular thing to do is to get one of these headers, and modify the collector. This is done by cutting off collector at the end of the header, and welding a 2.25” or 2.5” pipe to it."

So its up to you. Some get small gains but most don't. You would be better off putting that $350 into an a simple piggy back fuel controller (VAFC/SAFC/Emanage etc) and replacing your rear muffler with an aftermarket one for more flow than to get the Megan header. Or just save for a decent header and add mods one step at a time.
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Old 10-28-2010, 06:18 AM
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Re: horsepower gain?

F*ck a Hytech, get a bisimoto. Sure, you won't be able to run PS or AC anymore, but those are a woman's luxuries. Either way you are looking at madd $$ if you want to gain 20hp NA. You might as well say **** it and start saving for boost lol.
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Old 10-28-2010, 06:41 AM
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Re: horsepower gain?

That amount fo cash? A tuned P28 ECU, its bound to squeeze more out of your stock engine than slapping a header and exhaust on.
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Old 10-28-2010, 11:25 AM
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Re: horsepower gain?

[QUOTE=BrickDiver;463060]F*ck a Hytech, QUOTE]

ignorance is bliss
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Old 10-28-2010, 12:06 PM
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Re: horsepower gain?

Yeah...getting 20whp out of a I/H/E setup, not a very realistic goal.

Also if you plan on buying stuff from DC, some stuff from Megan or AEM, or other more popular ricer parts companies, you're not going to get the gains you're looking for. If at all.


Save your money and get quality aftermarket upgrades, or you'll spend a whole bunch of money on worthless parts that make your car look shiny.

You can also do a bunch of deletes, relocations and tucks that will make your car faster, look better, and impress people without really spending anything. It will also give a feel for what it is like to really work on a car, and not just bolt stuff on. Which will seperate you from all the other civic ricers out there.
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Old 10-28-2010, 12:21 PM
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Re: horsepower gain?

can't justify paying $800 in a group by or $1200 regular for a header that has never had a dyno done on a 5th gen prelude that is basicly stock except for a few bolt on. hytec and hytec replica both have dyno's that show around 10 whp gain.

bisi header in group buy on preludepower.com $800.00 regular price is $1200.00

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Old 10-28-2010, 01:05 PM
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Re: horsepower gain?

eh, I'm in the middle on this. You say you arent looking for a lot of HP....but 20 hp is a lot when you are talking basic I/H/E.

that said...I cant justify spending $1200 or even $300 for a header when I paid $1600 for the whole car....especially when its barely going to add 20 HP. Me, I would spend it on suspension...or save a little more and go boost. ;)

I spent $70 on an ebay header, only because my stock one was shot lol.
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Old 01-23-2011, 03:08 PM
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Re: horsepower gain?

Go or Blow with N2O.....Cheap hp. You'll find the 20 whp you're looking for at a price that's fairly reasonable, especially if you pick up a used system, however without a good tune you're building a grenade. There are conservative systems available for relatively stock motors. The length of survival is in the tune to support it.
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