Red hot exhaust
Senior User
Joined: Sep 2004
Posts: 103
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From: Aurora, NC
One time my wife came home in the dark and told me I needed to check her car out that it was running terrible. Cats had plugged up and I could see it glowing from underneath like a space ship from 60 yards away. If you run one hard enough and long enough it will start to turn red as I have seen it myself and I have not done anything mind altering in years. That includes manifolds too.
Posting Guru
Joined: May 2004
Posts: 1,214
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From: Indiana
Originally Posted by hubdeep
So much for posting new threads before I go to bed. I have cats all 4 of them(dumb OBD2) but no muffler and have the exhaust exit in front of the right rear tire.
Postmaster
Joined: Sep 2003
Posts: 2,887
Likes: 0
From: Florida
yeah but we're not talking about red hot manifolds we're talking about exhaust tips.
Forward cats and manifolds will generate a whole lot more heat than an exhaust tip, that's for sure. Although i've never seen one turn red, I've definately seen cars catch on fire from having leaves stuck up under their forward cats.
Forward cats and manifolds will generate a whole lot more heat than an exhaust tip, that's for sure. Although i've never seen one turn red, I've definately seen cars catch on fire from having leaves stuck up under their forward cats.
Postmaster
Joined: Sep 2003
Posts: 2,887
Likes: 0
From: Florida
Originally Posted by hubdeep
This weekend a buddy of mine was pacing me and noticed that my exhaust was glowing orange, is this normal? I have a single straight pipe.
Laughing Gas
Joined: Aug 2004
Posts: 782
Likes: 1
He also says his manifold and cats are easy to see because of his 3" body lift.
I don't care if it was his header, cats, piping muffler or tip. I dont care if his brake lights glowed red when he stepped on the pedal to the left of the gas.
Lets see some pictures!!!!!
I don't care if it was his header, cats, piping muffler or tip. I dont care if his brake lights glowed red when he stepped on the pedal to the left of the gas.
Lets see some pictures!!!!!
Senior User
Joined: Sep 2003
Posts: 452
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Laughing Gas
Joined: Aug 2004
Posts: 782
Likes: 1
I've seen that picture before!!!
Unless this guy is running a similar motor, 1000+ hp, then i need to see his pictures. I actually commented on this photo in one of my reply posts, but the server was too busy, so it never posted. But this is what came to mind when this thread started.
Unless this guy is running a similar motor, 1000+ hp, then i need to see his pictures. I actually commented on this photo in one of my reply posts, but the server was too busy, so it never posted. But this is what came to mind when this thread started.
Senior User
Joined: Sep 2003
Posts: 452
Likes: 0
Yea, it’s a great picture. Assuming the headers are carbon steel you can estimate the temperature at 2,000 to 2,100 degrees from the yellow color. Definitely hot enough to roast most anything…
As to the original question -- when it’s dark out, I believe you can see a slight visible red at somewhere around 750 degrees so it’s possible that HubDeep’s friend had not imbibed in recreational hallucinogenics.
As to the original question -- when it’s dark out, I believe you can see a slight visible red at somewhere around 750 degrees so it’s possible that HubDeep’s friend had not imbibed in recreational hallucinogenics.
Laughing Gas
Joined: Dec 2003
Posts: 752
Likes: 32
From: North Carolina
Only thing that would cause that would be an extreme blockage in the pipe. If you have all 4 cats, I believe one or more of your cats are blocked. Mine broke up and came out in pieces on the driver's side. They rattled like crazy first. You can search my threads for this info. I have had one car do that,due to blocked cats.
My mom's friend had a car burn to the ground because of a blocked cat, the floor got so hot that the carpet caught on fire. She wasn't very ,how should I put this, "bright", she thought it was normal to got so hot.
My mom's friend had a car burn to the ground because of a blocked cat, the floor got so hot that the carpet caught on fire. She wasn't very ,how should I put this, "bright", she thought it was normal to got so hot.