The SSR Performance 911 may wear a GT3 RS body, but it wants to behave like something far more feral. According to a fresh report from CARSCOOPS.COM, new prototype snaps have surfaced at the Nürburgring. Codenamed Project Leo, this German build targets the hole Porsche left behind when the GT2 RS vanished after 2019.
Inside the SSR Performance 911 Turbo Build
Leo rides on the 992.2 GT3 RS, which is already a serious track tool. SSR is believed to have bolted twin turbochargers onto the naturally aspirated 4.0L flat-six. Reports from the Ring suggest output could leap to more than 800 hp, up from the donor’s 518 hp (525 PS).
Torque should swell to match, and the 343 lb-ft donor figure looks modest by comparison. Turbo plumbing will also mute the exhaust and add a deeper bass note. For purists, that trade stings. The screaming naturally aspirated soul of the flat-six gives way to boost-driven thunder.
| ⚙️Engine / Powertrain | 4.0L Twin-Turbo Flat-6 (est.) |
| 🐎Power Output | 800+ HP (est.) |
| ⚡Peak Torque | Well above 465 Nm (343 lb-ft) (est.) |
| ⏱️0-60 mph (0-100 km/h) | 0-60 mph in 2.7s (est.) |
| 🚀Top Speed | 205 mph (330 km/h) (est.) |
| 🔄Drivetrain / Gearbox | 7-Speed PDK / RWD |
| 💰Starting Price / Est. | $400,000 (est.) |
Porsche has explored its own bespoke path with the Porsche One-Off program, but Leo is an aftermarket provocation. SSR is not waiting for Stuttgart to deliver a GT2 RS. It is building one itself.
Aero Surgery Built for Boost
Visually, the changes are dramatic. A huge front splitter bites harder into the tarmac, while new vents on the front fender tops relieve pressure. Engineers clearly want biting front-end grip at high speed.
Around back, the rear windows have become intakes, a nod to the last GT2. The twin center exhausts move wider apart, and extra cooling slots appear in the bumper. Every change funnels air into and out of that turbocharged engine bay, which is exactly how a serious build should look.
Can Leo Chase the AMG One?
Here is where the real drama begins. The last GT2 with a Manthey kit ran 6:43.300 at the Ring in 2021. The fastest official Porsche today is a Manthey GT3 RS at 6:49.328. Both are impressive, but neither threatens the AMG One’s 6:29.090 benchmark.
Weather is closing the Eifel window for this year, so SSR may wait until 2026. Still, a turbocharged GT3 with GT2 aero could be the most credible challenger yet. Ultimately, the SSR Performance 911 could become the enthusiast’s favorite Porsche that Porsche never built.
Marcus Vance
Senior Track & Performance Editor at Auto News Magazine. Veteran automotive journalist specializing in chassis dynamics, apex telemetry, track-day specials, and high-revving mechanical purity.
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