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#37658 - 12/18/03 02:32 PM Best header for s/c?
nemesis530 Offline
Newbie


Registered: 12/11/03
Posts: 10
What is the best header for a Vortech supercharger? I have a comptech.
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#37659 - 12/18/03 02:35 PM Re: Best header for s/c?
Gab Offline
Post Master Supreme


Registered: 04/24/02
Posts: 16915
Loc: Boston, MA
Comtech is good. Kamikaze is apparently the best though.
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#37660 - 12/18/03 04:30 PM Re: Best header for s/c?
slammin86 Offline
Jr Member


Registered: 07/13/03
Posts: 519
i have comptech as well with my vortech
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#37661 - 12/18/03 05:10 PM Re: Best header for s/c?
2000SICoupe Offline
Post Master Sr


Registered: 12/06/02
Posts: 3725
Loc: Florida
From ENDYN:

We've been fabricating headers for use in our in-house development programs for 35 years. When we seriously began looking for power from supercharged Honda engines, one thing became apparent early on....as power increased, the more the engines "wanted" a header other than the conventional Tri-Y configurations.

We began exploring large tube secondary sections on the Tri-Y headers and the use of 2" diameter secondary tubes did "help" power. Four into one headers weren't as good, as the Tri-Y configurations, unless the primary tube diameters were "excessive" in size.

We began to shorten one of our four into one configurations and we began seeing huge power increases as the primary tubes grew shorter and shorter. We ended up with a dyno header that had 4 individual primary tubes of 1 3/4" diameter and 10" to 12" in length, merging into a front mounted collector with a 2 1/2" diameter secondary / collector. This configuration proved to be more than 20 HP stronger than any conventionally available header we ever tested on our relatively high boost engines.

We were shocked to see a picture of a header, which looked "similar" in an add for Kamikaze Headers some years later. Our curiosity forced us to order one immediately for testing.

Subsequent dyno and drag strip testing confirmed that it as "good". Not as good as our own development headers, but close enough, especially at the price.

After testing for a year, we called the good people at Kamikaze and requested a few changes, including a full 2 1/2" collector that maintains that diameter at the exit and they have been accommodating enough to build them specifically to our order for our customers.



I can say that for blown Honda applications, of 7 psi and above, there's not any other header on the market that makes as much power. We use them personally and they go on all the engines equipped with our blower systems.

* Many people are under the impression that the primary tubes on Kamikaze headers are too "large" in diameter to make good torque. Most aren't aware that the tubing used in the headers' construction is 14 ga. rather than the thinner 16 ga. used by most other manufacturers. The increased tubing wall thickness causes the external size to be larger than what the eye is used to seeing. Don't be confused...the engine only "sees" the inside diameter.



Kamikaze

The Most Powerful Production Header For Supercharged Hondas

Ceramic Coated full 2.5", for pricing email staff@theoldone.com

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#37662 - 12/18/03 05:32 PM Re: Best header for s/c?
00-Si-in-red Offline
Post Master Sr


Registered: 10/02/00
Posts: 10343
Loc: KZOO!
not only is kami the best, but there also the cheepest
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#37663 - 12/18/03 05:44 PM Re: Best header for s/c?
sivicman Offline
Jr Poster


Registered: 03/30/01
Posts: 193
Loc: Perrysburg, Ohio USA
Horsepower wise the Kamikaze is the best.
Quality wise the DC Sport 2.5" collector is best.

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#37664 - 12/18/03 06:29 PM Re: Best header for s/c?
cvclover Offline
Post Master Sr


Registered: 07/23/02
Posts: 7311
Loc: NYC
I heard Kamikaze rusts real fast.. or something quality related
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#37665 - 12/18/03 11:19 PM Re: Best header for s/c?
double0Si Offline
Post Master Jr


Registered: 05/06/01
Posts: 1950
Loc: D/FW
I had the comptech on my VSC Si first and was very happy with the quality of the welds and the header as a whole.

Later went with the Kami, and was totally shocked at the improvments; still need to dyno, but I would guess 5-8whp difference. Also the Kami smoothed the transistion from the little lobes to vtec lobes. It would still spin first starting around 5700-6000rpm or sooner.

Hy-Tech is working on one, but I imagine it will be very similar to the kami design; but I am sure the quality will be tons better than the Kami, but likewise it will not be cheaper.
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#37666 - 12/20/03 08:08 PM Re: Best header for s/c?
jsstritz Offline
Post Master Supreme


Registered: 02/03/03
Posts: 10994
kami is the best and the cheapest from what i've seen.
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#37667 - 12/20/03 08:38 PM Re: Best header for s/c?
UpToWnRiCkYV Offline
Member


Registered: 04/04/02
Posts: 750
Loc: Santa Fe, NM
I have D/C for my JRSC... but from what i've hard so far i might switch to kama... how much does a kamikaze go for?

Edited by UpToWnRiCkYV (12/20/03 08:40 PM)
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#37668 - 12/21/03 06:55 AM Re: Best header for s/c?
sivicman Offline
Jr Poster


Registered: 03/30/01
Posts: 193
Loc: Perrysburg, Ohio USA
Quote:

I have D/C for my JRSC... but from what i've hard so far i might switch to kama... how much does a kamikaze go for?




I paid $320 for my Kamikaze, and the quality is a piece of s**t. My ceramic coated header started rusting 500 miles after installation. I had to send mine back to the company that does the coating for Kamikaze to have it re-done. On my car the downpipe doesn't come straight down the center of the car, so the bolts with the springs on them that attach your exhaust have to be tighten more on one side than the other to compinsate for the downpipe being on an angle, also it hit the bottom of the oil pan. If I had to do all over again I'd go with the DC Sport 4-1 w/2.5" collector.

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#37669 - 12/21/03 07:47 AM Re: Best header for s/c?
00-Si-in-red Offline
Post Master Sr


Registered: 10/02/00
Posts: 10343
Loc: KZOO!
that sucks for you, ive never heard of that before and mine fit great. if i could do it all again, id buy a kami hands down. i think i paid like $280-290 for mine.
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#9185055 - 11/13/17 05:03 AM Re: Best header for s/c? [Re: ]
wor Offline
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Registered: 11/13/17
Posts: 37
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