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Modified 2019 Porsche 911 GT3 RS Offered With Dundon Upgrades
A track-focused 2019 Porsche 911 GT3 RS with Dundon Motorsports engine modifications, Forgeline wheels and a body-colour roll bar is being offered for sale with 36,000 miles and an accident-free history.
By George Kensington · 4 min read
A 2019 Porsche 911 GT3 RS that has been extensively modified for track use is being offered for sale, with the seller acting on behalf of the current owner. The car, a 991.2-generation example finished in Guards Red over black leather and Alcantara, has covered 36,000 miles and carries a suite of performance and safety upgrades that set it apart from a standard road car.
Central to the modifications is a Dundon Motorsports airbox, a 93mm throttle body, a muffler and headers fitted to the naturally aspirated 4.0-litre flat-six engine. Power is sent to the rear wheels through a seven-speed PDK dual-clutch transaxle. The car was optioned from new with an extended-range 23.7-gallon fuel tank, a front-axle lift system, carbon-fibre SportDesign upper mirror caps, illuminated carbon-fibre door sills and LED headlights with Porsche Dynamic Lighting System. The original window sticker lists initial delivery to Porsche Tulsa and a total price of $199,220.
The chassis and braking systems have also been revised. Black-finished 20-inch front and 21-inch rear centre-lock Forgeline alloy wheels are mounted with staggered-width Dunlop Sport Maxx Race 2 tyres showing 2023 and 2024 production codes. Braking is handled by red Porsche-branded calipers with Pagid yellow brake pads over Essex rotors at each corner. The brake pads were replaced in February 2025 and the brake fluid was flushed at the same time. A damaged front splitter was replaced in December 2024, and full body paint protection film has been installed, with marks in the film on the front end noted in the gallery.
Inside, the cockpit has been retrofitted with a body-colour roll bar and Schroth safety harnesses. Carbon-fibre-backed bucket seats are trimmed in black leather and Alcantara, and equipment includes Porsche Communication Management, automatic climate control, cruise control, illuminated carbon-fibre GT3 RS-branded door sill guards, a backup camera and a roll bar-mounted Element fire extinguisher. The Alcantara-wrapped steering wheel fronts red shift paddles and an instrument cluster with a central GT3 RS-branded tachometer, a 225-mph speedometer, an LCD screen and gauges for oil pressure, oil temperature, coolant temperature and fuel level. A Sport Chrono stopwatch sits atop the dashboard. The digital odometer indicates 36,000 miles, approximately 19,000 of which were added under current ownership, with the seller estimating that 1,100 miles were added during track use.
As a track-focused variant of the GT3, the RS was developed with a magnesium roof panel, aluminium doors, a rear wing and a carbon-fibre trunk lid, engine cover and front fenders. This example has been fitted with carbon-fibre front bumper canards and features lightweight glass, tinted windows and taillights, and SportDesign side mirrors with carbon-fibre upper housings. Standard GT3 RS equipment includes rear-axle steering, Porsche Active Suspension Management and Porsche Torque Vectoring Plus.
The car is offered with a window sticker, service records and an accident-free Carfax report that shows two Manufacturer Voluntary Service Actions issued in 2024. Replacement exhaust brackets were installed in 2024, and the oil was most recently changed in May 2026. A lien is currently held on the car, and the current owner’s lender will need to be paid off before the title can be transferred to the new owner. The car holds a Texas title.
