PORSCHE'S MANTHEY KIT ADDS 600 KILOWATTS AT GOODWOOD

600 kilowatts. That is 20 more than a standard Taycan Turbo GT with Weissach Package already made, and the retrofit kit that adds them just helped set a 6:55.533 lap at the Nurburgring Nordschleife before showing up on a hillclimb course that has used the same hay bale barriers since 1993.

The Manthey Kit is not a new Porsche. It is an aftermarket aerodynamic and power package for a car that already existed, and the fact that Porsche brought it to Goodwood this month, parked next to a 911 Turbo S and a manual 911 GT3, is the actual story. Three propulsion philosophies, one stand, one company willing to let the electric car argue for itself on a hillclimb built for combustion engines.

More Than Triple the Downforce, on a Car That Did Not Need to Ask Permission First

Manthey Racing built its reputation tuning 911 GT3 RS models for the Nurburgring, the kind of tuner whose kits exist because a car maker wants a partner willing to chase lap times the factory cannot officially chase itself. The Taycan Turbo GT kit follows that same logic into electric performance for the first time, with aerodynamic changes extensive enough to more than triple downforce over the standard car. Downforce at that magnitude changes what a car can do through a corner without changing the motor at all, which is why the power increase to 600 kilowatts and the aero package have to be read together rather than as two separate upgrades competing for credit.

A Record Time Is the Only Proof That Actually Counts

Marketing claims about aerodynamic packages are common. A verified 6:55.533 Nurburgring Nordschleife time is not. That number is the actual receipt for everything the Manthey Kit claims to do, a lap that either happened at that speed or did not, with no room for the kind of vague performance language that luxury brands lean on when they do not have a stopwatch backing them up. The retrofit kit has been orderable since June 2026 for any existing Taycan Turbo GT with Weissach Package, meaning current owners can buy their way into that same lap time without Porsche needing to sell them an entirely new car.

Zero Grams Next to Two Sixty One, on the Same Stand

Porsche published WLTP figures for all three cars it brought to Goodwood, and the contrast is the design argument. The Taycan Turbo GT with Manthey Kit rates zero grams of CO2 per kilometer, while the 911 Turbo S runs 261 to 266 grams and the manual 911 GT3 runs 310. Porsche's own naturally aspirated GT3 S/C makes the analog case elsewhere in the lineup, a $273,000 argument that manual transmissions and combustion still matter to the brand's identity. Running an electric flagship and a manual naturally aspirated flagship at the same event, in the same week, is Porsche refusing to pick a side while the emissions numbers do the talking for both.

The Hillclimb Puts Every Number in the Same Room

Ferrari brought three of its own hillclimb debuts to the same Goodwood weekend, a reminder that the course itself does not care which propulsion method wins, only which car climbs it fastest on the day. Porsche's answer was to bring receipts instead of one flagship, a record setting electric car with tripled downforce standing next to two combustion cars whose own numbers are printed in the same caption without apology.

The Value Read

A retrofit kit that adds 600 kilowatts, triples downforce, and produces a verified Nurburgring record is a legitimate upgrade, not a marketing repaint, and existing Taycan Turbo GT owners are getting a meaningfully faster car without Porsche needing to design a new one. The real signal from Goodwood is that Porsche trusts the Taycan enough to let it sit next to a manual GT3 and a Turbo S without hiding behind either one, and that confidence, backed by a stopwatch number nobody can argue with, is worth more than any press release claiming electric performance has arrived.

Expect more tuners to chase the same aftermarket electric performance category the Manthey Kit just opened. A retrofit that turns an existing owner's car into a record holder without a factory redesign is a cheaper business than building a new halo model from scratch, and Porsche just proved the demand exists by letting a third party badge sit on its own hillclimb stand.