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Old 10-02-2011, 02:37 PM   #1
011silver 2SS
 
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Header questions: gonna go for it

i know its been covered but, i,m finally going to spend the money and get headers and cats. after you guys having headers for a while knowing any issues with diff brands i,d like some opinions. i,m leaning towards arh or kooks. want a header that will bring great performance and no leaks or rubbing etc. what gains did you get and what do u like or not like,,install, codes thrown after tune,,etc. i have,,2011 L99 with halltech cai,, keeping stock mufflers.. thx dan
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Old 10-02-2011, 02:45 PM   #2
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I have Bassini and couldn't be happier (though I do need to do another set of dyno pulls). ARH or Kooks are both great brands, and I've heard only good things about their quality and fitment. If you get long tubes you will want a tune. You don't *need* one, but you won't be getting the most out of your headers running the stock tune. You'll also get at least one CEL (the O2 sensors tripping).
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Old 10-02-2011, 03:44 PM   #3
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Look in to Jennttys Header test. My Dad went with the ARH 2" for the extra HP for Drag racing.
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Old 10-02-2011, 04:21 PM   #4
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Give this article from our blog a read:

Choosing The Right Headers

If you have any questions feel free to shoot me a PM.
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Old 10-02-2011, 06:10 PM   #5
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Give us a call, I would be glad to help. That being said, I don't think any header manufactuer would recommend you run 2" headers on anything but the most extreme setup. It's like wearing a shirt 3x too big. There is not a lot of harm in doing it..but it is still not the right size. It is funny how the mood of a forum dictates what header sizes people choose. Every LSx forum we are on..1 3/4" is standard, and 1 7/8" is for like people with heavy mods. 2" headers you must have an 800 HP dragaster. Here, no one has 1 3/4"..1 7/8" is standard..and you have a cam..everyone is like "Ohh you need 2" headers".
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Old 10-02-2011, 09:30 PM   #6
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I pulled the trigger on 1 7/8" ARH and I couldn't be happier. Not a single leak, fitment issues etc...bolted right up to with the arh cats to my borla catback....highly recommend ARH.
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Old 10-03-2011, 06:37 AM   #7
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Quote:
Originally Posted by BOSS_HOSS View Post
I pulled the trigger on 1 7/8" ARH and I couldn't be happier. Not a single leak, fitment issues etc...bolted right up to with the arh cats to my borla catback....highly recommend ARH.
I agree...
Here's my review:
http://www.camaro5.com/forums/showth...headers+review

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Old 10-03-2011, 06:47 AM   #8
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Quote:
Originally Posted by MarylandSpeed View Post
Give us a call, I would be glad to help. That being said, I don't think any header manufactuer would recommend you run 2" headers on anything but the most extreme setup. It's like wearing a shirt 3x too big. There is not a lot of harm in doing it..but it is still not the right size. It is funny how the mood of a forum dictates what header sizes people choose. Every LSx forum we are on..1 3/4" is standard, and 1 7/8" is for like people with heavy mods. 2" headers you must have an 800 HP dragaster. Here, no one has 1 3/4"..1 7/8" is standard..and you have a cam..everyone is like "Ohh you need 2" headers".

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Old 10-03-2011, 06:59 AM   #9
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Kooks

Gees, I bought Kooks 1 7/8s Long tubes with HF cats from Marylandspeed and no one could beat their price...but you have to call...they're great! I have a headers install video on YouTube and you can see how simple it is. It really took only about an hour to do it on a proper lift. The Kooks headers were very easy to work with and the space on either side of our engines is great...you can actually see every manifold bolt. Headers was the best performance mod, you could feel the difference. You may have to tune out a check engine light after long tube headers, some say...I didn't. Good luck on your choice.
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Old 10-03-2011, 07:05 AM   #10
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After months of looking at different header brands I went with the Kooks stepped headers from Maryland Speed(Call them for best price). They fit pretty good with exception to one spot on the passenger side. It touched the heat shield but I was able to bend the shield slightly to get the clearance I need.
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Old 10-03-2011, 07:06 AM   #11
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The brands you mentioned are great. They were too pricey for me at the time. I have XS Power LT's, I love them and great price. My car made 454 at the wheels with my mods. They are worth taking a look at.
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Old 10-03-2011, 08:34 AM   #12
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Kooks and ARH are both outstanding manufacturers.

I'd say go for whichever one you can get the best deal on.
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Old 10-03-2011, 08:59 AM   #13
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Either is great for power/quality...

The key to no leaks is use a stock LS3 gasket. If the headers come with any other gasket, throw it away.
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Old 10-03-2011, 11:36 AM   #14
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Quote:
Originally Posted by Russell James View Post
Either is great for power/quality...

The key to no leaks is use a stock LS3 gasket. If the headers come with any other gasket, throw it away.
I agree on the gaskets. Buy new gaskets, only about $25 for a pair and no worries afterwards.
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