This is the AMS Performance Alpha 20 Nissan GT-R with an estimated 1,700 horsepower at the wheels—and the capability to run 2,000 whp. But it’s just testing.

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Even in testing, this GT-R runs 207 mph at the Texas Invitation. For a shakedown run.

So what’s under the skin of this beast? The 4.0-liter Alpha Omega-spec engine, ShepTrans stage 5 transmission, Driveshaft Shop axles, and a secret set of turbos.

But regardless of all that, turn up the volume and just listen to it. Beastly.

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