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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #1  
Old 11-22-2010, 05:17 PM
Hellz Hellz is offline
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Default header that you use?

so i am looking at the possibilty of replacing my headers, which i will also replace my exhaust throughout as well.

so what i am asking is, what headers do you guys use?

if you want to post about shorty headers, thats fine, but i am more interested in long tube headers.

i see a bunch of listings for OBX, Gibson on ebay ( these are the only long tubes i see on there)

anyone have any experience with these?
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  #2  
Old 11-22-2010, 09:00 PM
slippy slippy is offline
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Default Re: header that you use?

I havnt had experiance with headers but i know Borla and Dynatech have long tube headers aswell.
I was really looking into longtube headers aswell but i read these 2 posts, where it burns some wires or fries a cable or something. Ill try and pull it up later if noone has hurd about it.
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  #3  
Old 11-22-2010, 10:15 PM
Hellz Hellz is offline
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Default Re: header that you use?

im not worried about burning wires or anything.
that just tells me people did not properly plan things out or use common sense.

if you want to post the link, ill give it a read. thanks

also thanks for mentioning Borla and Dynatech. i know of them, but didnt think of looking them up for headers
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  #4  
Old 11-22-2010, 10:36 PM
Hellz Hellz is offline
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Default Re: header that you use?

im not worried about burning wires or anything.
that just tells me people did not properly plan things out or use common sense.

if you want to post the link, ill give it a read. thanks

also thanks for mentioning Borla and Dynatech. i know of them, but didnt think of looking them up for headers
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  #5  
Old 11-22-2010, 10:55 PM
H2 Bill H2 Bill is offline
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Default Re: header that you use?

I have gone through 2 sets of Edelbrock shorties and 2 sets of Borla shorties. Edelbrock does not stand behind them if they are defective, Borla replaced the drivers side once and then told me to pound sand.
I now have the Dynatech long tubes and the performance is sooo much better (along with their cats) that I can't believe the difference.
Will keep you posted to see how they last.
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2003 H2 Hummer, Yellow,Polished Whipple Supercharged, Dynatech long tube headers, catback,18\" Ambush w/Toyo MT\'s,lots of goodies!
Y2K Corvette Millennium Yellow Convert/Blk/Blk, B&B headers, B&B Tri-Flo\'s, H-Tech MAG,GMS MAF, RM Racing TwinFlow.
1994 Chev Suburban Blown
1970 Trans Am balanced, blueprinted, ceramic headers, etc.
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  #6  
Old 11-23-2010, 01:11 AM
slippy slippy is offline
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Default Re: header that you use?

hopefully im adding to the discussion and not hijacking.
found this one: http://www.elcovaforums.com/forums/s...ighlight=borla
theres another post somewhere with the same compliant on a set of dynatech headers.
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  #7  
Old 11-23-2010, 01:36 AM
Hellz Hellz is offline
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Default Re: header that you use?

thanks for the thread post.

hard to say if it is actually a header design problem, or if parts were missing, or not installed correctly.

/shrug well hopefully more will chime in.
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  #8  
Old 11-24-2010, 06:33 AM
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Default Re: header that you use?

I've had Dynatech long tubes for about a year and couldn't be happier.
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White 2005 SUT, Lifted 7.5" via Fabtech/custom work, Fabtech Dirt Logic 2.25 shocks, 40x15.5x22 Toyo's, black 22" Fuel wheels, 4.88 gears, Dynatech long tube headers, Magnaflow exhaust, Air-raid intake, Superchips programmer, Edlebrock panhard bar, Cognito UCA's, Kryptonite tie rods, Cognito pitman/idlar arm gussets, Hotchkis swaybars and trailing arms, Amp Research steps, E&G fender flares, PIAA SMR's, smoked roof lights (bulbs removed), black suede headliner, 13" JL's under seat
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  #9  
Old 11-24-2010, 01:36 PM
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Default Re: header that you use?

What types of issues did you discover while installing the long tube headers?
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  #10  
Old 11-24-2010, 06:38 PM
H2 Bill H2 Bill is offline
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Default Re: header that you use?

Quote:
Originally Posted by SmokeyJoe
What types of issues did you discover while installing the long tube headers?

Dynatechs bolt right on and so do the cats. No cutting or welding.
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2003 H2 Hummer, Yellow,Polished Whipple Supercharged, Dynatech long tube headers, catback,18\" Ambush w/Toyo MT\'s,lots of goodies!
Y2K Corvette Millennium Yellow Convert/Blk/Blk, B&B headers, B&B Tri-Flo\'s, H-Tech MAG,GMS MAF, RM Racing TwinFlow.
1994 Chev Suburban Blown
1970 Trans Am balanced, blueprinted, ceramic headers, etc.
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  #11  
Old 11-25-2010, 08:59 AM
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Default Re: header that you use?

Dealer installed mine. They also checked the bolts a few months later and all was fine.
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White 2005 SUT, Lifted 7.5" via Fabtech/custom work, Fabtech Dirt Logic 2.25 shocks, 40x15.5x22 Toyo's, black 22" Fuel wheels, 4.88 gears, Dynatech long tube headers, Magnaflow exhaust, Air-raid intake, Superchips programmer, Edlebrock panhard bar, Cognito UCA's, Kryptonite tie rods, Cognito pitman/idlar arm gussets, Hotchkis swaybars and trailing arms, Amp Research steps, E&G fender flares, PIAA SMR's, smoked roof lights (bulbs removed), black suede headliner, 13" JL's under seat
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  #12  
Old 01-03-2011, 12:03 AM
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Default Re: header that you use?

Quote:
Originally Posted by H2 Bill
Dynatechs bolt right on and so do the cats. No cutting or welding.


so did you go with shorties?
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  #13  
Old 01-06-2011, 04:46 AM
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Default Re: header that you use?

No. As far as I know, they make long-tube only, hence the reason I went with them. It's my understanding that short-tubes are a waste of money.
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White 2005 SUT, Lifted 7.5" via Fabtech/custom work, Fabtech Dirt Logic 2.25 shocks, 40x15.5x22 Toyo's, black 22" Fuel wheels, 4.88 gears, Dynatech long tube headers, Magnaflow exhaust, Air-raid intake, Superchips programmer, Edlebrock panhard bar, Cognito UCA's, Kryptonite tie rods, Cognito pitman/idlar arm gussets, Hotchkis swaybars and trailing arms, Amp Research steps, E&G fender flares, PIAA SMR's, smoked roof lights (bulbs removed), black suede headliner, 13" JL's under seat
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  #14  
Old 01-10-2011, 09:54 PM
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Default Re: header that you use?

Love my Dynatechs....good power, good quality, easy to install. Hooked up with high flow cats and Magnaflow the sound is amazing.
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2003 H2, 408 CI, K1 Forged 4" stroke crank, K1 6.125" forged rods, Wiseco X-Series 0.30 forged pistons, Schneider cam, FAST 102mm LSXRT, precision flow injectors, Comp Pro Magnum rockers, SA Gear DR timing set, ARP main studs, 90mm ETC TB, Airaid MIT, MSD Coils/wires, Dynatech Headers/high flow cats, Magnaflow, Jessie James Black Widows 20x9, Nitto Dune Grapplers 37", Fabtech 6" lift, CK Performance XHD 4l70e and 4.56 Gears
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  #15  
Old 01-10-2011, 11:43 PM
Hellz Hellz is offline
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Default Re: header that you use?

those look like SS ones without any ceramic coating or anything..

any issues yet with spark plug wires?

any welding or cutting? or is it all bolt on?

have a link for them?
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  #16  
Old 01-11-2011, 04:29 AM
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Default Re: header that you use?

Plan on getting a higher end programmer or custom tune when you free up your exhaust w/ headers, high flow cats, etc... The increase in noise fools alot of people into thinking they're running better when in reality you just lost a bunch of torque. I'd almost get one of the mail order custom tunes now that the price is down over a hand held programmer.
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  #17  
Old 01-12-2011, 08:57 AM
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Default Re: header that you use?

It sounds like a lot of guys are agreeable that the Dynatechs are the way to go where's the best place to buy them for a reasonable price?

Jegs or Summit? Or some place else?
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  #18  
Old 01-12-2011, 01:48 PM
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Default Re: header that you use?

http://www.autoanything.com/exhausts...0A2607115.aspx

These are for a 2003. They have them for different year models, but I think they are the same except for the 2008 and newer models.

No burned wires, no leaks, and no other issues so far.

Yes, you need a retune, I suggest Nelson Performance.
http://www.nelsonperformance.com/tuning.htm
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2003 H2, 408 CI, K1 Forged 4" stroke crank, K1 6.125" forged rods, Wiseco X-Series 0.30 forged pistons, Schneider cam, FAST 102mm LSXRT, precision flow injectors, Comp Pro Magnum rockers, SA Gear DR timing set, ARP main studs, 90mm ETC TB, Airaid MIT, MSD Coils/wires, Dynatech Headers/high flow cats, Magnaflow, Jessie James Black Widows 20x9, Nitto Dune Grapplers 37", Fabtech 6" lift, CK Performance XHD 4l70e and 4.56 Gears

Last edited by EuroHummer : 01-12-2011 at 01:53 PM.
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  #19  
Old 01-17-2011, 03:56 AM
slippy slippy is offline
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Default Re: header that you use?

the dynatech kit looks top notch. is it street legal? pass smog?
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  #20  
Old 01-17-2011, 04:01 PM
Hellz Hellz is offline
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Default Re: header that you use?

depends on how much you want to spend..

Supermaxx Complete Header System - With Catalytic Converters
$1,487.90
Bolts up to stock and any aftermarket cat-back exhaust systems
T-304 stainless steel
Includes "A" Headers & "B" Pipes with Catalytic Converters

Supermaxx Complete Header System - Without Catalytic Converters
$1,353.90
Bolts up to stock and any aftermarket cat-back exhaust systems
T-304 stainless steel
Includes "A" Headers & "C" Pipes with no catalytic converters after header
No Catalytic Converters is not legal in some states and is for "Off Road Use Only"
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