compprat

I have a stock 05 sentra spec v se-r, was wondering if it is possible for the car to produce natural flames (without flame kit) with the cat below the header removed and a high flow cat. Thus of course would have to have an aftermarket exhaust... Is this possible without a turbo? Anyone have any reports of this?

Just a question, because the exhaust does sound like it shoots flames through the piping, but its absorbed by the cat.

tim788

pretty sure that sound is called back-pressure

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waznme

Think about what you are saying for a second, "natural flames without a Flame Kit". These cars now-a-days are made to be very efficient. That is why they have to sell "Flame Kits" is because the engines burn almost all the fuel that it is given to the motor.

it used to be that you could just run the older cars (carburated vehicles w/o high tech computers) very rich on the fuel side, rev the motor up and then let off the gas and give spark to a spark plug install in the rear of the exhaust pipe, and poof..."Natural Flames". Not anymore in the days of higher gas prices, wasting fuel like that does not sell cars, not to mention if a car produced natural flames don't you think people would think it 'unsafe'?

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chimmike

It's not going to happen unless you're boosted with an overly rich mixture under boost.

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