Upgrade your car's handling with DSC! This revolutionary device turns your passive PASM system into an active suspension system with multiple personalities. The DSC module monitors acceleration, brake application, G forces, and many other parameters to tune your car's handling in milliseconds. Technical Description...

Foundational Part

The Accessport V3 is the world’s best ECU tuning solution for Porsche. The simple DIY plug and play connection to the car’s engine management system via the OBDII port allows for any GT3 owner to apply improved engine and PDK calibrations to their favorite...

Replacement set for PFC Track Day Kit equipped vehicles. Not compatible with OEM calipers.

992 valves Helical Body with uprated Dundon Retrofit parts

Replacement set for PFC Track Day Kit equipped vehicles. Not compatible with OEM calipers.

Foundational Part

Let your 991.2 GT3 breathe with a larger 93mm Throttle Body and Center Plenum! Scroll down for more details. In testing the 991.2 GT3 and RS we found the air intake to be restrictive. With the addition of the larger 93mm Throttle Body and...

Upgrade your car's handling with DSC! This revolutionary device turns your passive PASM system into an active suspension system with multiple personalities. The DSC module monitors acceleration, brake application, G forces, and many other parameters to tune your car's handling in milliseconds. Technical Description...

Foundational part. Pair of Over-Axle pipes. For use with all Dundon GT3 Muffler adapter kits.

Enjoy 347 Stainless construction, same high quality valves as used in our battle tested Race Headers. Reduce weight through the elimination of side mufflers, reduce heat on the rear tires and under the decklid, no Drone, and 100% Lifetime Guarantee, including track use. Technical...

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....

Foundational Part

Foundational Part

Let your 991.2 GT3 breathe. Our full intake kit replaces the restrictive factory airbox and 82mm throttle body with the Dundon Dual Reverse Cone Airbox, Dundon Center Plenum and 93mm throttle body: more air flow, more capacity, and more of that intake sound. In...

Want less weight, more power, great sound, and no drone for your 991.1 GT3? You've found it in our Long Tube Street Header Exhaust System. Technical Description Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991.1 GT3  RS and 991.2...

When you increase negative camber (via a longer lower control arm), the stock tension arm does not allow for adjustment to correct the change in caster. Dundon's adjustable Tension Arms allow for full adjustment and precise locating of the wheel in the wheel well....

Dramatically improve rear end grip at speed with our Valkyrie swan neck wing. The wing and full aero kit were designed in CFD to greatly improve the vehicle's performance around the track. The wing alone has the ability to dramatically reduce lap times (2.5...

Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 997.2 GT3RS are available now! We were able to keep all of the things that people love about our race headers: scroll down to learn more! *V2.0 Headers shown -...