Hennessey Performance Promises to Turn McLaren MP4-12C into an 800HP Beast

If there's one thing the stock McLaren MP4-12C has in abundance it's power from the mid-mounted 3.8-liter twin-turbocharged V8 engine which is rated at 600PS (592HP) and 600Nm (442.5 lb-ft).

However, Texas-based tuning firm Hennessey Performance begs to differ as it believes the MP4-12C could do with some additional horses under the hood – 200 of them, to be precise.

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Meet Optimus, a Monstrous Dodge Ram 3500 Truck with 1,200HP and Over 2,000 lb-ft

We've shown you a lot of insane pickup trucks on these pages but this one is quite the find - and not only because it has the potential to emit as much CO2 as a small country with every sudden move of your right foot.

Nicknamed Optimus, the heavily modified Dodge Ram 3500 truck is powered by a twin turbocharged Cummins diesel engine that churns out a whopping 1,200 horsepower and an even more mind-blowing 2,000+ lb-ft (2,711Nm) of peak torque! A pretentious beast indeed.

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Mopar gives the 2012 Fiat 500 an American Tune with "Stinger" Package

The second Mopar tuned model on its way to the 2012 Chicago Auto Show, which takes place during the second week of February, is the 2012 Fiat 500 Stinger. Mopar's American take on the Italian city car integrates two stage kits along with a special Giallo (yellow) exterior paint.

The first package begins with black racing decals on the Fiat 500's profile and roof graphics in black checker followed by a set of larger 17-inch Abarth Hyper Black alloy wheels with wider 205/40 R17 performance tires, tinted lights and a new exhaust tailpipe.

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Senner Tuning Adds Some Juice to the BMW Z8

The classically styled BMW Z8 roadster has fallen into the hands of German aftermarket firm Senner Tuning, which has presented a new sports package with a selection of performance upgrades.

In stock form, the Bavarian roadster sports the E39 M5's 5.0-liter V8 engine delivers 400-horses and a peak torque of 500Nm(368.8 lb-ft).

After the addition of a sports filter, a custom exhaust system and a light ECU tune, output is lifted to 450-horses and 535Nm (394.6 lb-ft) with Senner stating that the modded Z8's top speed is in excess of 300km/h (186mph).

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Badass 1971 Corvette C3 Convertible Sports New ZR1 6.2-liter Supercharged V8

Patterned after the "Mako Shark II" concept and produced from 1968 to 1982, the third generation of Chevy's iconic sports car series has by far the most aggressive and over-the-top design of all Corvettes. And at least up unit the 1973 oil crisis, it had the power to match its brawny looks.

But for an owner of a 1971 Corvette Convertible, the stock V8 wasn't enough so he fitted the open-top model with GM's LS9 crate motor, which is the same 6.2-liter supercharged V8 found in the most powerful series production Corvette of all time, the ZR1.

GM states that the crate engine delivers 638-horses at 6,500 rpm and a peak torque of 604 lb.-ft. at 3,800 rpm. The owner of the car said it made 536 rear-wheel-horsepower through an automatic transmission.

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TRD Suits up the New 2013 Lexus GS F Sport Sedan in Japan

As soon as Lexus rolled out the new 2013 GS sedan in Japan on Thursday, its parent company's performance division, Toyota Racing Developments (TRD), came out with a selection of upgrade parts for the F Sport model.

We'll remind you that the F Sport package for the new GS already includes an aero kit with different front and rear bumpers, a mesh front grille, side skirts and a rear spoiler along with 19-inch wheels and a tuned suspension.

So what does TRD's package add on top of that? Well, namely a pair of splats for the front bumper, an add-on part for the side skirts, a larger boot lid spoiler, a rear apron and quad tailpipes with a blue outline.

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ABT Sportsline Does the Audi A4 Facelift, S4 gets up to 435HP

Whenever Audi presents a new or a revised model, ABT Sportsline follows up with a host of upgrades. The refreshed Audi A4 / S4 sedan is no exception to the rule with the German tuning firm offering a number of styling and performance parts and accesories.

To give a more aggressive look to the facelifted A4's exterior, ABT designed a new aero kit that includes a front apron, rocker panels, a rear apron and diffuser combo, side air vents plus a three-piece boot lid spoiler that wraps around the body.

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Project Kahn's Widebody Porsche Panamera Tune

For its next tune, British styling house Project Kahn has selected the Porsche Panamera, which receives a thorough makeover inside and out.

The first thing you'll notice about Project Kahn's Panamera is the wide bodykit that includes the front bumper pieces encompassing vertical LED strips, the beefed up front and rear fenders with matching side skirts and the rear bumper parts with an integrated rear air dam.

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Vorsteiner Presents New Wheels for Ferrari 458 and BMW 5-Series F10

While we have come to know Vorsteiner for its aero components, the company also specializes on alloy wheels, and today, it introduced a new pair of rims for the Ferrari 458 Italia and the latest generation of the BMW 5-Series sedan.

Both lightweight wheels have a five-spoke design with a concave profiling and come in a diameter of 21 inches. The Ferrari version is finished in black while the BMW rim has a gunmetal gray finish.

You can find more pictures of both models in the gallery after the break.

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Prindiville Design Crafts Bespoke Lamborghini Aventador LP700-4

Tuning the newest Lamborghini model isn't an easy task but it's one that London-based coachbuilder Prindiville will gladly take on.

The British company, which specializes on high-end sports cars and luxury models, has introduced a new tailor-made styling package for the V12-powered Aventador LP700-4.

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McLaren F1 Replica Could be Yours for €35,000 / US$45,000

"Just in case if you wanna buy the cheapest McLaren F1 on the planet", Carscoop reader Marek tells us in his email and points us to this replica of the famed supercar designed by Gordon Murray that has been listed for sale by a used-car dealer in Poland.

We'll leave it to you to decide if it's a convincing clone of the original McLaren F1, but we will tell you that it ain't got a 618-horsepower BMW M-prepped 6.1-liter V12 residing behind the passenger compartment.

Instead, this creation sports an Audi-sourced V6 30v engine with an unspecified displacement, which could deliver anywhere from 190 to 250-horses, depending on the version.

The seller did not disclose any further information on the McLaren F1 replica, which carries a price of 150,000 Polish Zlotych or about €35,000 / US$45,000.

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Corvette ZR1 Taken to the Max by German Tuner TIKT

In pure stock form, the Corvette ZR1 is a performance beast with its supercharged 6.2-liter V8 engine pumping out 638-horses and 604 lb-ft (819Nm) of peak torque. However, German tuning firm TIKT believes that there's plenty of room for improvement so it introduced a new take on the ZR1 with its Triple X package.

It all starts with the ZR1's eight-cylinder powerhouse that gets modified cylinder heads, camshafts, valve springs and compressor ratios plus a larger throttle valve, a completely modified exhaust system, a reprogramed ECU and changes to the cooling system.

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Rolls Royce Phantom Drophead Coupe Gone Wald

While not many in numbers, Wald International believes that some owners of the Rolls Royce Phantom Drophead Coupe would like to give the luxurious convertible a more bespoke tuner look.

The Japanese firm's offering is a styling package is named "Black Bison Edition", which starts off with an assortment of aero parts made of carbon fiber.

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Project Kahn Touches Up Another Range Rover Evoque

The new Range Rover Evoque is one of those vehicles that doesn't really need a lot of styling mods to look the part, which is probably why British design house Project Kahn has kept the upgrades to a minimum.

Similar to Kahn's first take on the Evoque, this red colored example of Range Rover's compact SUV gets a new set of the firm's RS600 alloy wheels in a gunmetal finish (available in sizes 20-, 21- and 22-inches).

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Porsche Panamera Falls Into the Hands of Wald International

The latest model to receive Wald International's dark "Black Bison" treatment is the Porsche Panamera sports saloon. As usual, the Japanese tuning firm's package is centered on a raft of styling parts with minimal performance upgrades.

The Panamera's exterior receives a comprehensive makeover with a new carbon fiber aero kit that adds a new front bumper with sculpted air vents, rear wheel arch extensions, front fender mesh vents, rocker panels, a deck lid spoiler and a redesigned rear bumper with extra vents and a diffuser.

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Take a Look at Some of Japan's Weirdest Looking Tuned Cars

So you think your local car club has some bizarre creations, do you? Wait until you take a gander at the parade of modded cars in two videos that follow after the break.

If the findings of our basic research on the subject are right (if not, leave a comment and we'll make a correction), these strangely modified vehicles filmed on the occasion of last weekend's 2012 Tokyo Auto Salon are named "bōsōzoku style" and belong to a Japanese subculture with roots to motorcycle clubs and gangs.

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Crazy Holden Torana with Blown Chevy Puts Out 1,584 WHP

Talk about a wolf in sheep's clothing. With a few exceptions like the sporty six-cylinder GTR XU1 and the 5.0-litre V8 powered SLR 5000 editions, the Holden Torana was a run-of-the mill compact model with plain Jane looks and lackluster performance.

But in the world of tuning and drag racing even the Torana can be transformed into a terrifying beast. Meet Jakes Edward's latest Torana sedan fitted with a massive 496ci (8.2-liter) turbocharged V8 Chevrolet engine that runs on methanol fuel.

At this month's Summernats festival in Canberra, Australia, Edward's yellow Holden took part and won the "Horsepower Heroes" competition as it yielded 1,584.5 wheel horsepower on the dyno! Watch the Aussie-made monster in the video after the break.

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Norwegian Firm Converts Ferrari FF into a Bio-Ethanol Supercar

Bio-ethanol E85 (up to 85% ethanol and 15% gasoline) conversions are nothing new in the auto industry but you don't see it happening everyday on brand new supercars of the likes of the Ferrari FF, which is why this project caught our attention.

According to the reports, the conversion to allow the Ferrari's V12 engine to run on E85 fuel comes from Norwegian firm Customized.no and it costs just €1,500 or nearly US$2,000.

On regular fuel, the 6.3-liter lump delivers 660PS (651bhp) emitting 360 gr/km of CO2 emissions and accelerating the FF from zero to 100km/h (62mph) in 3.7 seconds.

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Audi R8 V10 Falls Victim to the Stretch Limousine Industry [Video]

From the creators of the Ferrari 360 stretch limo comes yet another controversial supercar conversion, this time based on the Audi R8 V10.

Carbonyte UK will work in conjunction with Limo Broker to create the world's first super-stretched R8 and which it says is destined to become the signature model for the Limo Broker brand that also owns the Ferrari 360 Modena limousine.

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Subaru BRZ Black Edition by Prova from the Tokyo Auto Salon [Video]

Prova, one of the more notable Subaru tuners in the Land of the Rising Sun, teamed up with the Japanese automaker to display a bespoke edition of the new BRZ sports coupe at this past weekend's 2012 Tokyo Auto Salon.

The BRZ Black Edition is supposed to be a more mature tuning take on the rear-wheel drive model that goes on sale worldwide this spring.

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