Dohcgarage Header Test

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Old 06-07-2006, 12:31 AM
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Dohcgarage Header Test

POSTED THIS ON THE OTHER SITE... DON'T WANNA HATE ON THIS ONE!...

HOW YOU ALL ENJOY!

Well, last friday night i was sitting at my friends shop, DOHCGARAGE in WPB, Florida.. after shooting dah shit for about 3 hours. then he asked me if i wanted to test a new header that he got. If people seen my other car's they know i'm pretty finicky about the parts i purchase. Since he was a friend i said sure, i'll test the product. Took it home and started examining it. Full Stainless Steel, looks like TIG wilds all around, so i was pretty impressed. Looked into the 4-2-1 collector area and it seems pretty smooth. Not bad at all!

Test Vehicle is my 2005 TSX 5AT w/ 8000 miles, motorwise the car is completely bone stock execpt for a grounding kit that i got from my DOHCGARAGE as well. I purchased this car with no intention to be modified to go fast.

Saturday night: Took a drive to another friends shop BILLET DESIGN MOTORSPORTS, Pompano. to get the dyno done. Got a great deal for the dyno, so anyone in south florida need a dyno call them!!! Strapped her down and after 2 runs my TSX slapped down 156.4 HP. I said okee dokee and was on my way home to get ready to go clubbin.

Sunday: Way too hungover to install the header! But had a blast Saturday Night!

Monday: Decided to Install the header. Took roughly 2 hours with my compressor and air tools. Nothing to complicated about the install. Pretty straight forward. Cleaned up and took a ride to Jamba, first thing i noticed was a little more engine noise, like a small growl only at WOT, Normal crusing was just like stock!!! Alot more mid-range torque, and it felt alot more responsive throughout. I'm happy.

Tuesday (today): Went back to the same dyno, same tank of gas, same everything besides it was 3 degrees hotter and a little less humid. Strapped her down again and she spun the rollers at a tune of 171.6 HP.. my opinion was, that impossible!! but we rolled it again and 170.6 HP.. Still not a believer, 170.4 HP... okay... three runs, same dyno, same everything. I'm amazed. Well folks, i knew the car felt faster, but damn.


Pictures of my babies!


First Dyno (Saturday Night)


First Dyno Numbers


picture of the header


stainless vs. stock


picture of the runners


one more shot


BURNT STAINLESS COLOR (I LOVE IT)


the test motor... don't bite the gold valve cover!


Round 2, Spinning CE28N's... Beautiful Sight!


And Final Numbers Over the First. Enjoy!
Old 06-07-2006, 12:39 AM
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Nice gain! It sure looks like the DC header.
Old 06-07-2006, 12:42 AM
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Actually, it looks like this one .
Old 06-07-2006, 12:55 AM
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Very nice gains!!!
Old 06-07-2006, 01:01 AM
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Niiice!!
Old 06-07-2006, 01:03 AM
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Nice gains....especially more so with the stock airbox. WOW.
Old 06-07-2006, 01:10 AM
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it might be that header? i don't know...he just asked me to test it out for him... i know he has about 6 more instock... i'll ask him for the final price tomorrow....
Old 06-07-2006, 01:17 AM
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Those are some sick gains... Let us know how much I might want one of these.
Old 06-07-2006, 01:38 AM
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Very nice gains

Like JTso said, they look like a stainless steel version of the DC.
Old 06-07-2006, 05:23 AM
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Originally Posted by Tsx536
Very nice gains

Like JTso said, they look like a stainless steel version of the DC.
Old 06-07-2006, 06:54 AM
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Anyone know what dc and comptech headers hp gain is around?
Old 06-07-2006, 07:30 AM
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^^ http://www.vtec.net/articles/view-ar...icle_id=434209
Old 06-07-2006, 08:42 AM
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Originally Posted by JTso
Actually, it looks like this one .
Am I reading that price right? I might have to get it and install it sunday...
Old 06-07-2006, 08:52 AM
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Also that ebay page says it fits 04-05, but the DC and Comptech headers appear to be unchanged for 2006, can I assume this one will fit right too?
Old 06-07-2006, 09:03 AM
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OP, please find out where he got them from, brand, anything about reliability. But 14ish HP from that header is nice!

I wonder what the deal with that generic looking stainless header on eBay is. I could be easily tempted to go with one of those if it is the same as what was dyno'd here.
Old 06-07-2006, 09:48 AM
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$170 for a SS header??
Old 06-07-2006, 09:49 AM
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just got off the phone with a friend... he gave me the final price of the header, he does have 6 in stock... if anyone is interested pm me, i don't want to upset the moderators here. thanks fellas.
Old 06-07-2006, 12:29 PM
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does it come with gaskets and everything?!
Old 06-07-2006, 12:37 PM
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Is this an OBX header? If Im not mistaken, their design was SS and looked identical to the DC sports header - 2 piece, etc.
Old 06-07-2006, 12:47 PM
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Here is another one of the same thing and even cheaper depends on where you live. It's $170 shipped to my area.
Old 06-07-2006, 12:48 PM
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Originally Posted by CarbonGray Earl
Is this an OBX header? If Im not mistaken, their design was SS and looked identical to the DC sports header - 2 piece, etc.
It's not the OBX. The collector section is different.
Old 06-07-2006, 12:57 PM
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Originally Posted by JTso
Here is another one of the same thing and even cheaper depends on where you live. It's $170 shipped to my area.
Awesome find... I'm going to try it. Thanks for the tips JTR & JTso!
Old 06-07-2006, 01:11 PM
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So is this header the same exact one as the ones that are listed on ebay?
Old 06-07-2006, 01:14 PM
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WoW! 14hp, thats nice.
Old 06-07-2006, 02:12 PM
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happen to know if that header passes emissions..i'm here in ca
Old 06-07-2006, 02:48 PM
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bolts on to the stock cat so you should not notice a difference.
Old 06-07-2006, 02:50 PM
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Originally Posted by jpt
bolts on to the stock cat so you should not notice a difference.
Any header still has to have a CARB EO# though, which you would present to the smog tester....although I agree it will look exactly the same to the sniffer.
Old 06-07-2006, 03:12 PM
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Originally Posted by JTso
Actually, it looks like this one .
Exactly what I posted on the "other" forum, I'm just not sure if they are the same though. Quality seems quite good in the picture.
Old 06-07-2006, 05:12 PM
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Its a damn shame I'm buying a house and have to put the car on hold for a bit. It'll be at least a month until I can get in on one of these, I hope someone else here guinea pigs another one in the mean time.
Old 06-07-2006, 05:15 PM
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Header ordered. Hopefully I will receive it Monday or Tuesday. I can't wait to see the gains.
Old 06-07-2006, 05:22 PM
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This looks wonderful. But this little voice inside my head keeps saying, "If its too good to be true, it probably is".
Old 06-07-2006, 05:39 PM
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Yeah, but its 14 hp. I could see if it was a really rediculously high number. Now you got me worried lol.
Old 06-07-2006, 06:24 PM
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i thought it was too good to be true as well...but i tested it... anyone of you are welcome to come and test drive my car.. i'm not a liar and wouldn't waste my time putting this post up if it didn't put out those numbers!!
Old 06-07-2006, 07:29 PM
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Yea I will wait til another user dynos it...can't wait to see...of course...then we'll all want one. ;-)
Old 06-07-2006, 07:36 PM
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Now that there's another option i think DC and comptech's prices will come down a bit since this one is so much cheaper and seems of good build quality.

Too bad i've just installed my comptech header yesterday
Old 06-07-2006, 07:47 PM
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i'm questioning it myself. Not sure how it will hold up long term. It could experience the same or more problems like the DC header guys were/are having
Old 06-07-2006, 07:52 PM
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tig welded stainless shouldn't fail like the DCs... unless my limited welding knowledge is missing something.

Still, it somehow still falls in the 'too good to be true' category until we see multiple results. I'm glad kwjustin89 is ordering it. BTW... can you be clear about which you ordered and where? The eBay one or the one from Turtle's friend?
Old 06-07-2006, 10:00 PM
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the 2nd dyno has a blip in the torque curve, it may cause HP to read artificially high.
Old 06-07-2006, 10:07 PM
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Originally Posted by outersquare
the 2nd dyno has a blip in the torque curve, it may cause HP to read artificially high.
Good observation. It looks to be a little above 160 which is more realistic.
Old 06-07-2006, 10:27 PM
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Originally Posted by kwjustin89
Header ordered. Hopefully I will receive it Monday or Tuesday. I can't wait to see the gains.
you ordered from ebay?
are you going to dyno?


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