Approach your 991 GT3RS upgrade journey in the right steps for you and how you use your car! Improve your suspension beyond the factory Weissach Package cars!   Our meticulously designed and carefully curated suspension packages are built to give you the improvement and...

Designed in CFD (computational fluid dynamics) to provide the maximum increase in downforce with minimal drag, our Dual Dive Planes and Valkyrie Swan Neck Wing increase downforce by nearly 2X 100mph (stock wing at 5*)! Constructed of beautiful gloss carbon fiber, these pieces add...

Foundational Part

The adapter for the factory Cup airbox and our 93mm Plenum kit

We found in our exhaust development and testing of the 991.2 GT3 and RS that they are intake limited both through the factory airfilter box and through the 82mm Throttle body. A bit of history. The Bosch 82mm Throttle body is the largest Bosch...

We’re proud to offer the strongest, safest, best designed all 991.1 and 991.2 coupes, Carrera, Carrera S, Turbo and GT3 bolt in roll bar on the market. We design all of our bars with safety as the first concern.

Dundon Sub-Belt Mount Set - For 981/991/718/992 Bucket Seats Enables the use of 6-point harnesses by providing an attachment point for the sub-belts.

An easy way to free up some power in your 991.1 or 991.2 GT3. We recommend changing the airfilter when installing Dundon exhaust packages to reduce pumping losses and free up as much power as possible! In conjunction with the Dundon Race Headers on...

Dundon Windshield Banner! Show your love for your favorite Porsche Performance Parts!

The 992 Turbo and Turbo S are great cars, but the factory suspension has almost no adjustability, leaving you a very narrow range of available settings. The impressive power and acceleration also cause premature wear on many of the rubber bushings. Our suspension arm...

The 991 Carrera/S/4S/GTS is a great car, but the factory suspension has almost no adjustability, leaving you a very narrow range of available settings. Our suspension arm packages really open things up, allowing you to get a "proper" alignment on the car for better...

Approach your 991 GT3 upgrade journey in the right steps for you and how you use your car!   Our meticulously designed and carefully curated suspension packages are built to give you the improvement and adjustment you need.    These packages will allow for...

The factory lower inner control arm (LCA) has mounting studs that are too short to achieve a “good” performance alignment. Dundon's extended-length LCA's add not only track width, but stud length, to safely increase negative camber without running out of threads.   Two different...

Full Conversion Kit with Hats, Hardware and Rotor Rings. Sold in Pairs.

At Dundon, we test our products endlessly to ensure the utmost quality. And over time, we found the factory muffler couldn’t keep up with the added performance our Headers provide. We set out to fix that. The result — Dundon’s GT3 Lifetime Center Muffler....

Dundon Motorsports is happy to provide the Cobb Accessport for the 981 Cayman S/GTS and Boxster S/GTS 3.4L platform. We are Cobb Pro Tuners and have developed a great tune for the 981 when paired with our Intake Runners and/or our Headers. Includes: Cobb...

The Dundon D4 Package is the culmination of our work on perfecting and guiding the pressure waves into and out of the 3.8L Engine resulting in 72lbft max gains over stock and 100whp at the rev limiter.