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Old 02-09-2014, 10:07 PM   #15
CrystalRedTintcoat


 
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Originally Posted by cornerspeed92 View Post
I had the same concern when i ran Laguna seca back in March.I am stock though,and these 1LE's are quite capable just the way they are.I would keep stock,til after just to be sure.There was a stock ZR1 that got black flagged,the decibel there was 92.
Same. On my day a Laguna Seca a ZR1 got black flagged due to +90 db's.
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Old 02-10-2014, 11:34 AM   #16
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GR8WHITE1 is right. I put LT headers with high flow cats on my car with NPP exhaust. It is kind of raspy and loud. If you get a $95 resonated Magnalow X-pipe it fits perfectly in place of the H-pipe in the front pipe of the NPP setup. The exhaust not is smoother and deeper and is quieter than stock with Normal NPP operation. From what I gather it should pick up on power slightly too, but I cant confirm or deny that. I can tell you that it will definitely make it a smoother quieter sound. My car with out it sounded good, but it was loud and raspy when the valves opened up.
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Old 02-10-2014, 11:50 AM   #17
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Hey 1LE Red Dragon, does the x-pipe reduce or eliminate the rear popping sound during decel?

I really like that popping sound...

Last edited by Camaro Dude; 02-10-2014 at 07:19 PM.
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Old 02-10-2014, 04:36 PM   #18
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I agree,i just love the gurrgle gurrgle growll growll.Once i let off the accelerator and produce the sound, i give just a touch of gas again so i can hear it again,so it's kinda like a two-fer
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Old 02-10-2014, 06:34 PM   #19
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I ran my 1LE like you are planning for a little while. It should be fine at any track. It was loud, but not LOUD. To my ears not only was it loud, but very annoying. Magnaflow xpipe was the fix for me.
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Old 02-10-2014, 06:49 PM   #20
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I remember getting passed up the back straight there by a older TransAm car with side dump straight exhaust, it was so loud it hurt, after the 1st time, I lifted the rest of the weekend just to get the noise by faster. Not like I was going to hang with a tube frame, racing slick car anyways.
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Old 02-10-2014, 07:07 PM   #21
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Find out where they measure sound and back off the throttle or run one gear up until you are clear of the spotter station.
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Old 02-10-2014, 09:58 PM   #22
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Not really sure if that would work either as the flaps only quiet down the sound under 3k rpm after that it sounds like all hell broke loose. I just did ported tb, long tubes w/cats and cai intake and it is mean at wot. I just built my own version of a mild to wild controller for 1/3 the price and switching between the two is night and day but really only while cruising or under a certain rpm. To the original poster I say do it and after the install take it to a muffler shop and have them weld in a magnaflow resonated x-pipe where the factory H pipe is and you definately shouldn't have a problem. Are you going with cats or cat delete pipes?
My plan is to go with the matching high flow cats from kooks.
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Old 02-10-2014, 10:00 PM   #23
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Hey Steve. I've run at VIR numerous times with different organizations and have never heard of anyone having issues with noise issues. There have been some cars there that sounded like artillery, they were so loud. In fact there's a Stock car (like, race car) that runs in my group. When this car passes you on the track it physically hurts your ears, even with a helmet on. If this beast isn't having noise issues then there's not going to be any problems with what we bring.
That is good to know. Thank you. I only brought this up because of the notice when I signed up for the track weekend.
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Old 02-10-2014, 10:02 PM   #24
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Find out where they measure sound and back off the throttle or run one gear up until you are clear of the spotter station.
Good idea.
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Old 02-10-2014, 11:39 PM   #25
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Originally Posted by cornerspeed92 View Post
I agree,i just love the gurrgle gurrgle growll growll.Once i let off the accelerator and produce the sound, i give just a touch of gas again so i can hear it again,so it's kinda like a two-fer
Like this sound? http://youtu.be/N_DcDp30D2c
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Old 02-10-2014, 11:49 PM   #26
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YES!
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Old 02-11-2014, 09:06 AM   #27
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Man i'm envious, i have to run on a track soon. This anticipation is driving me crazy
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Old 02-11-2014, 01:08 PM   #28
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Hey Brian,that's funny. I googled 1LE just for fun last night,and ran across my video and yours...were famous-were on u-tube
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