Dundon 981 Race Headers provide substantial gains in torque and horsepower throughout the rev range. They are a race system so are for track or off-road use.

We're honored to be the exclusive partner of Motion Control Suspension bringing true motorsports dampers to the GT4 Platform.

The PFC Ultimate Brake Kit for your Porsche. Using the same technology found on the Porsche Motorsport 991 GT3 Cup platform.

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.

Based on the development on the 981 platform, some enterprising customers have found improvements to their 3.4L 987.2 DFI engines. You will need to independently source a tune to ensure the car runs right.

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

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

Custom tuning to get the most from your 718 GT4/Spyder/GTS 4.0L!

The Long Awaited Dundon GT4RS Muffler:  Great flat-6 wail, no drone and big power! Have your cake, and eat it, too! Great Sound, and Great Power without drone!   We have spent the last TWO YEARS building, testing, iterating and improving this design. Now...

Enjoy quick and easy replacement of your rotor rings with PFC's V3 Disc technology. No hardware replacement needed!   *Rings only, not hats or circlip is included.

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 718 4.0L owner to apply improved engine and PDK calibrations to their favorite track...

Need to dial it back a little bit? Get a meatball flag at your last track day? Our Quiet Tips take the edge off for the sound meter, but not your car's performance!

Enjoy quick and easy replacement of your rotor rings with PFC's V3 Disc technology. No hardware replacement needed!   *Rings only, not hats or circlip is included.

Enjoy quick and easy replacement of your rotor rings with PFC's V3 Disc technology. No hardware replacement needed!   *Rings only, no hats or circlip is included.

Want to dial in the perfect alignment for your 997 GT3/RS, 981 GT4, 718 GT4 or GT4RS? Dundon Motorsports' shim kit is what you need. All the sizes you want to get your settings perfected.

Protect your expensive OE PCCB (ceramic) rotors to PFC direct-fit steel rotors. - Featuring PFC proprietary metallurgy developed for the rigorous criteria of the 991 GT3 Cup race car. 2-piece floating design ensures thermal stability for even the most extreme track usage, weight optimization, and replaceable friction...

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

Lightweight, strong, easy to install and adjust, our Titanium Tie Rod ends take your Porsche's handling and steering feel to the next level!

Get the extra camber you're looking for 1-1.5* more just from the camber plates. Work with stock dampers and our MCS dampers Fits ALL 991 GT3/GT3RS ModelsFits ALL 981/718 Spyder/GT4/GT4RS Models-Features: machined aluminum plates, 10.9 grade pressed-in studs, high quality monoball bearing, enhanced camber...