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Just took delivery of a Ceramic Gray 600LT Spider. Put about 300 miles on it so far and a DME Stage 2 Tune (Downpipes next week) but i have yet to see any flames what so ever. Was told its because i havent gotten the pipes hot enough but everyone makes it seem like its super common to see them right away. Anyone have the same thought as me? Ide love to hear anyone else's experience.
 

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You do have to get the cat's pretty hot. Try to keep the RPMs at 5000 and above for a few seconds and then really get on it. Another way to do it, that is approved by McLaren, is to run the 40 second oil test, then blip the throttle between 4000 and 5000 RPM until you see flames shooting out. Don't do this for more than 20 seconds worth of shooting flames. It's best to take off right after doing this. You'll then see flames for the next few minutes while driving.
 

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mine is totally stock and I see flames only at night when driving normally during downshifts
 

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Just took delivery of a Ceramic Gray 600LT Spider. Put about 300 miles on it so far and a DME Stage 2 Tune (Downpipes next week) but i have yet to see any flames what so ever. Was told its because i havent gotten the pipes hot enough but everyone makes it seem like its super common to see them right away. Anyone have the same thought as me? Ide love to hear anyone else's experience.
I assume you're not going to track the car if you're going with a traditional tune as I've been reading here that your car will easily overheat during a normal 20 min session.
 

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many 600LT owners here track their cars aggressively with tunes just fine. i tracked my tuned 600LT during summer cali heat in 40min drive intervals at Thermal Club with absolutely no overheating issues
 

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many 600LT owners here track their cars aggressively with tunes just fine. i tracked my tuned 600LT during summer cali heat in 40min drive intervals at Thermal Club with absolutely no overheating issues
Who tuned your car and is it an "off the shelf" or "custom" tune? I wonder if the cooling is better on the 600LT vs the 570s?
 

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Am I the only one here who couldn’t care less if my car shoots flame or not? I buy the 600LT because the way it drive and nothing else.


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it would seem so. shooting flames is apparently why many buy one :rolleyes:. there are enough asinine youtubers showing how it's done.
 

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Am I the only one here who couldn’t care less if my car shoots flame or not? I buy the 600LT because the way it drive and nothing else.
Yes.
 
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I hope everyone is safe and healthy
Stock mclaren 600 LT cars all shoot some flames at night. The short running length allows plenty of 12” flames on overboost and jumping off the throttle on the highway. Rear view mirror gives a nice light show.

Hjs German high flow 200 cpsi tri-metallic catalytic converters flow 90% to 92% of a straight pipe and any and all 600 let’s get even more flames while still running clean and no cel lights.

catbypass pipes no recommended will only make the car louder and even more flames. No extra power whatsoever .

201153
 

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This is great info Joe. I'm looking to buy a 600LT Spider this summer and wanted to put on the sport cats since it doesn't need a tune and with tracking the car, I've heard about overheating issues with aftermarket tunes.
 

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201242


stock, after a 15 mins of my first aggressive driving session.
No needs for downpipe or anything, it’s perfect as is 🥰
 

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I work for a McLaren Dealership and there has been a campaign software update released that inhibits the ability for the car to shoot flames at idle only. This may be why you are not seeing any flames if you are trying to rev the car at idle. At night, you should still see flames through spirited driving. I believe the reason McLaren has done this update is to stop people from revving the cars repeatedly and overheating them as they were not designed to be revved repeatedly like that. If your 600LT has been at a McLaren dealership in the last 6 months, it is highly likely that this update has been performed.

-Travis
 
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