UK based Theon Design has taken the Porsche 911 restomod formula and stripped out the usual noise. This latest commission wears carbon fibre, a ‘raucus’ boxer motor and a six-speed manual. Built in close collaboration with its owner, the car was shaped around a specific brief rather. Every major decision, from the way the engine responds to the feel of the steering and the calibration of the suspension, was chosen to match one person’s idea of what a fast 911 should be. The result is a carbon-bodied coupe that chases 992.2 GT3 pace on paper, then keeps the old-school tactility where it matters.
Every Theon commission reflects the person it’s built for, and this car is a particularly good example of that. While the air-cooled 911 remains at its core, the brief pushed us towards something more contemporary in its appearance, materials and character. The best Theon commissions don’t look backwards or forwards. They feel timeless. This car has a more contemporary character than many of our previous builds, but every decision was made with the same objective: to continue the philosophy of the air-cooled 911 in the most considered way possible
– Adam Hawley, Founder, Theon Design
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A 964 built with restraint
The headline numbers are easy enough to reel off. A naturally aspirated 4.0-litre flat-six sits at the centre of the build, producing 314 kW and 440 N.m of torque. The body is full carbon fibre, the gearbox is a six-speed manual, drive goes to the rear wheels, and the quoted kerb weight is 1 146 kg. On that math alone, Theon says the car posts a power-to-weight figure that edges a current 992.2 GT3.
Numbers only tell part of the story here. Theon’s game has always been restraint, and this commission leans into that idea. The bodywork is finished in Crayon Grey, then interrupted with Lizard Green accents. Smoked front and rear light lenses, brushed exterior brightwork and a matching Turbonite Porsche bonnet crest give the exterior a menacing ‘Outlaw’ appearance.
The wheels follow the same line. Seventeen-inch rims in Anthracite and Black sit over RS brake calipers painted Lizard Green, a flash of colour that breaks up the otherwise neutral palette. One detail matters more than most of the exterior gloss. The steel doors remain. Theon could have gone all-in on weight saving and chased the last few kilos, but it has kept the original material for the part of the car your hand reaches for every time you climb in. The carbon body brings the performance, while the steel doors preserve the familiar weight and feel of an old 911 doing its job.
Click here to check out more of Theon’s handiwork and other restomodded Porsches.
The hardware underneath
The engine is not just a bigger flat-six dropped into a prettier shell. It is managed by a Motec ECU and PDM system, with carbon-infused intake trumpets helping to turn the mechanical package into something far more deliberate than a simple hot rod exercise. The throttle is a more modern drive-by-wire set up.
There are three throttle modes. ‘Town’ softens the car for ordinary use. ‘Race’ sharpens the response. And ‘Raucus’ is the one you save for the stretch of road where you want the whole thing to wake up properly. In this mode, the spoiler rises, the exhaust gets louder, and the engine delivers the sort of pops and bangs that make tunnel runs feel like a victory lap. It is theatrical, but not stupid. And it’s available at the flick of a switch.
TracTive semi-active dampers can be adjusted across five settings, giving the car a range that spans road compliance through to more committed performance driving. Theon calibrates each system for the client. Steering feel, throttle map, ride quality and the car’s overall character are all developed around that same brief, which is why no two Theon builds are meant to feel identical from behind the wheel.
An understated cabin
Inside, the contrast continues without turning messy. Carbon fibre forms the architecture, but it is softened and sharpened in equal measure with Liquorice leather and careful detailing. The shoulder line carries subtle Lizard Green stitching, while the Recaro RS seats are trimmed to match the same restrained tone.
The cabin is full of little pieces that reward a second look. Bespoke aluminium footboards sit underfoot. The door handles, vents and dashboard inserts are machined, which gives the interior a proper sense of precision. The instrument cluster is uniquely configured too, with colour-matched detailing in Crayon and Lizard Green tying the whole theme together.
Even the audio and tech integration avoids the usual restomod trap of pretending modern convenience has no place in a classic body. There is an original Becker Mexico head unit, a Hertz amplifier and six Focal speakers, so the car keeps a period-correct face while sounding more convincing than any 1980s Porsche ever could. A carbon-fibre centre console houses wireless charging and a discreet phone extension.
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