Before we move on to discussing what Hennessey aims to do for the manic hatchback, let's see what has been achieved so far.
However, for the moment, tuners are working overtime to break the 400 hp barrier, with Mountune, the famous British aftermarket developer which also operates on American shores, having just released a 375 hp take on the matter.
AMS Performance, a crew tech-adventurous enough to take the R35 Nissan GT-R towards the 3,000 hp milestone, for instance, has also promised "BIG power", but we don't have any numbers yet.
Over on the old continent, 375 hp also seems to be the tuning norm for the third-gen RS nowadays and we have a screaming example for you.
Back in the Spring, the Lone Star State specialist announced it would include the Focus RS in its offer, while a tweet dating back to June shed (fiery) light on the matter, letting it slip the 2.3-liter EcoBoost would be pushed to 500 ponies. A hot hatch with Shelby GT350 levels of power? That should cause quite a stir.
Earlier this week, the Texan developer turned to its Instagram account to let us know it had taken delivery of its RS, with a top speed run following two days ago - talk about a rough break-in.
The Hennessey Performance website explains the list of upgrades for the Blue Oval machine will touch the engine management work, air induction, intercooler, exhaust (stainless steel downpipes included), turbo, wheels and tires, as well as other bits.
Let's hope Hennessey doesn't get too carried away with its other projects and delivers on its Focus RS promise soon, so we can bring you fresh details on the matter.
Read more on Auto Evolution.
