The team at Lethal Performance added a Whipple supercharger to get more output from the Shelby GT350’s 5.2-liter flat-plane crank V8 engine.

If you’ve been on the fence between opting for the Shelby GT350 or the more stripped-down GT350R as a straight-out-the-box track car, maybe this bit of news will help you narrow down your choice.

Hennessey Performance gives us a true sense of exactly how much power the new Shelby GT350 packs by zeroing in on the car’s raw performance numbers.

So here they are folks – those official numbers that everyone has been waiting for on the new Shelby GT350 and GT350R.

The new Shelby GT350R is just as fast as Porsche 911 GT3 around Grattan Raceway in Michigan.

Watch the 2016 Shelby GT350R Mustang race around Grattan Raceway.

Although the Shelby GT350 is only currently slated to be sold in the U.S., Ford recently put one on display in London and it got all kinds of interesting looks.