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New Dodge Demon Video Shows of its Wicked Exhaust Note

(Credit: © Dodge)

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New Dodge Demon Video Shows of its Wicked Exhaust Note

The Dodge Demon is returning in the form of the 2018 Challenger SRT Demon, and the automaker is having a hell of a good time teasing us. This time, Dodge is focusing on the Demon’s insane exhaust note in its latest video.

The video (below) shows the upcoming Challenger SRT Demon sitting on a drag strip patiently waiting for the light tree to go to green. By patiently, I of course mean at full throat ready to swallow a quarter mile of road in no time at all.

While it waits, you can hear a wicked-sounding exhaust note as the driver preloads its torque. This note is the result of the Demon’s new torque reserve launch system. This allows more airflow through the engine, letting the supercharger speed up its revolutions without overpowering the brakes or making the rear tires spin. This system kicks in when the driver activates “launch mode” and brings the revs above 1,000 rpm.

Mechanically, the torque reserve system closes the supercharger bypass valve, allowing the supercharger to prefill. It also cuts off fuel to select cylinders and advances or retards the timing to fine-tune the rpm and torque balance. This cutting of cylinders and timing adjustments are what give it that wild exhaust note while torque loading.

Basically, this helps the supercharger build some boost from the line, which results in the SRT Demon hitting max boost quicker.

One thing you’ll notice in the teaser image above and the video is the license plate that reads “3.9+221=405.” Of course, this is not a legal plate, so it is definitely some indicator of what to expect from the Demon.

Can’t wait to see the 2018 Challenger SRT Demon in full? Well, the wait is almost over, as it debuts at the New York Auto Show on April 11, 2017.

After years of handling problem cars in repair shops, Justin regained his love for cars by writing about them. Many years later and countless hours of banging on the keys trying for formulate sentences that actually make sense, he has managed to parlay a hobby into a career. Justin is a bit of a petrol-head and has a severe weakness for lightweight sports cars and insanely powerful supercars.

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