The 93mm Throttle Body has 28.6% more area than the 82mm throttle body, while the Dual Reverse Cone Airbox has 380% more Filter area that the flat panel OEM air box. Less pressure drop means more horsepower!

Add Power and great sound and experience your Porsche's true capabilities with the Dundon Power Package. Intentionally designed to bring big power with and distinct sound we all love, this kit is perfectly tailored to add more muscle, better sound, and increased performance to...

Reduce lift in the front of your 991.2 GT3 and GT3RS and aid in turn in grip! These Dual Dive Planes were designed with Computational Fluid Dynamics to aid in shape in placement and are part of our complete Aerodynamic upgrade package for the...

Our Most Popular Package. Street Headers and Lifetime Muffler!Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991.2 GT3RS! We were able to keep all of the things that people love about our race headers: less weight more power,...

Motorsport is a great platform not only to push boundaries but to develop high performance components which can then be applied to mixed use street vehicles. PFC Brakes has been in the braking business for years, supplying many manufacturers including Porsche with brake packages...

991.1, 991.2 GT3RS and 991.2 GT2RS: Carbon Fiber Gurney Flap to aid in down force without excessive angle of attack. Attaches with 3M double sided tape for a secure and easy installation.

The Valkyrie Swan Neck Wing is the foundation of our 991.1 and 991.2 GT3RS aerodynamics improvement package! Double the Downforce of the Stock 991.2 GT3RS and GT2RS Wing at 100mph.  Make the air do your bidding and improve the aerodynamic performance of your GT3RS....

We'd been asked by a few to make a Crack Pipe that wasn't as much of a commitment but still true to the original Megaphone Crack Pipe. Meet the Mini Crack, this one works with Dundon valved side muffler deletes or our Street Headers,...

You Want Great Sound?You Want Drone Free?You Want the LIGHTEST muffler for your Porsche? We've got what you're looking for! Our Titanium Ultralight GT3 Muffler is all of the above, with a signature Titanium shriek at high rpm, and no bleeding ears on the...

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....

For a long time you had to sacrifice your street drivability if you wanted to upgrade to a motorsports damper. No longer! These dampers improve your GT3RS or GT2RS's already formidable handling, while adding adjustability and forgiveness. We help make the car easier to...

ONLY FOR 991.2 GT3RS with our Swan Neck Rear Wing. Adding this to a car with stock rear wing will make the car unstable due to too much front downforce. Add much needed front downforce to your GT3RS. Designed to complement the 991 GT3RS...

Replacement air filters (pair) for use with Dundon Dual Reverse Cone Airbox for 991 GT3RS cars. *filters only

Full Conversion Kit with Hats, Hardware and Rotor Rings. Sold in Pairs. The Girodisc system is a direct replacement for the OE disc however you must use the same pad shape that is used on the 991 GT3 that came with the iron rotors...

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...

Ferodo DS1.11 Track Pads for Radi-CAL Calipers including burnishing.

Full Conversion Kit with Hats, Hardware and Rotor Rings. Sold in Pairs. The Girodisc system is a direct replacement for the OE disc on the 991 GT3 and GT3 RS with OEM iron rotors.  No modifications are necessary, allows use of factory unmodified pads...

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...

Ferodo DS1.11 for 991 GT3 Steel and PCCB Calipers

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