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Old Nov 14, 2010 | 04:53 PM
  #21  
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I have an 07 M6 with Dynatech LTs and am very pleased with them. The install was pretty easy but I haven't tuned it yet.
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Old Nov 14, 2010 | 05:32 PM
  #22  
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Originally Posted by davidtcpa
I have lg's with cats, xpipe, running through stock (non-npp mufflers). Would like to get a set of stock npps, but it sounds great the way it is now. Got about 50 hp from them, maybe a tad less, but I am very happy. I got the headers, tune, plugs, wires, and intake. Gearing is next. Car rides great. Very drivable then lots of power when you get on it. Can't wait for the next mod.
Which LG header? I have NPP. There are a part out for sale
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Old Nov 14, 2010 | 07:38 PM
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shopping on ebay and found some from mirage motorsports for like 450$ with the off road x pipe. They claim to be sus304 stainless steel, anyone heard of them ? Also will having no converters make any lights come on or anything or should I just get off road converters ?
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Old Nov 14, 2010 | 07:48 PM
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Even with highflow cats you will probably throw a code after the header install.
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Old Nov 14, 2010 | 09:25 PM
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Will that make the service engine soon light come on, can you make it go off ?
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Old Nov 14, 2010 | 10:01 PM
  #26  
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Its the sensors. You need the car tuned.
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Old Nov 14, 2010 | 10:04 PM
  #27  
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Originally Posted by MSTROBES
Which LG header? I have NPP. There are a part out for sale
Not the pros. I bought them from Horaepower sales in Pompano Beach, FL. They did the install and the tune. Great work.
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Old Nov 15, 2010 | 08:28 PM
  #28  
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I'm running AR headers, X-pipe with hi-flow cats designed for the Viper ACR. Without the tune I picked up just over 30rwhp. Can't wait for the tune!


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Old Nov 15, 2010 | 08:32 PM
  #29  
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Originally Posted by WaFp
I'm running AR headers, X-pipe with hi-flow cats designed for the Viper ACR. Without the tune I picked up just over 30rwhp. Can't wait for the tune!


You put the car on a dyno and didn't have it tuned?
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Old Nov 15, 2010 | 09:36 PM
  #30  
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Originally Posted by VET4LES
FYI, no headers for the C6 are CARB (California air resources board) approved. When your first smog check comes due you could fail the visual test.
You're correct, but there are various ways around this. My other car has intake, headers, etc. It passed the emissions test just fine. Some shops will "overlook" the visual inspection. CARB sucks.

San
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Old Nov 16, 2010 | 12:22 AM
  #31  
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Originally Posted by saplumr
You put the car on a dyno and didn't have it tuned?
it was literally a spur of the moment thing. i wasn't even planning on stopping by, but i did to say "hi" to a friend and he just wanted to see what #s I was putting up. I thought it was cool, but I ended up being about 30min late to work

tune will be coming once i pay off the holiday debt
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Old Nov 16, 2010 | 12:35 AM
  #32  
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Originally Posted by C6-LS2-MN6
1) LG Super Pro headers-very expensive, but the only ones that truly have 32" long primaries to improve TQ throughout the whole power curve. Great for bragging rights and most will agree, if price isn't an issue....they are the best.
http://www.google.com/imgres?imgurl=...w=1280&bih=605

2) American Racing-only slightly cheaper than LG style and they don't have 32" primaries. The quality in fit and finish is GREAT though!

3) Kooks-cheap and best bang for the buck for a racer on a budget.
http://www.youtube.com/watch?v=n7C8sw-vUGc

I've personally had all three on different LSx cars over the years.
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Old Nov 16, 2010 | 10:56 AM
  #33  
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Get obx and save youself a grand. 304 stainless and make 40rwhp tuned
,sound great. I've had mine over a year without issue.
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Old Nov 16, 2010 | 11:13 AM
  #34  
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OBX have been showing good results for a while now.
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Old Nov 16, 2010 | 12:08 PM
  #35  
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Originally Posted by jbirdblack
Get obx and save youself a grand. 304 stainless and make 40rwhp tuned
,sound great. I've had mine over a year without issue.
Originally Posted by FloydSummerOf68
OBX have been showing good results for a while now.
I've read that there is a fitment issue sometimes with the OBX systems. what were your installs like?
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Old Nov 16, 2010 | 12:56 PM
  #36  
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There have been fitment issues come up with almost all of the big-name headers. The general issue is that the X-pipe doesn't line up perfectly straight...it takes about 30-45 minutes for a muffler shop to either cut a bit off or weld a bit of tubing on to straighten it all out.

My longtubes on my C6 aren't OBX...I was just saying that I've seen OBX putting out good results for quite a while on LS1tech and on a few C6s. I was going to do OBX longtubes on my WS6, but then decided to sell it.
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Old Nov 16, 2010 | 02:20 PM
  #37  
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Anyone using Melrose Headers??
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