Add major downforce and performance with our 718 GT4RS carbon swan neck wing and carbon dual dive planes. This package gives big downforce and major confidence to the 718 GT4RS driver!   *Stage 2 kit does not include pictured splitter below*

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...

The most powerful header system you can buy for your GT4RS!  Our tuned length manifolds and 3" catted "wave pipes" connect to the stock muffler for big improvements in sound and performance!  20whp gains with the stock muffler (more than 32 when combined with...

The Long Awaited Dundon GT4RS Muffler:  Great flat-6 wail, no drone and big power! Have your cake, and eat it, too!

718 GT4RS Valkyrie Carbon Splitter! Complete your Dundon GT4RS Aero Package with the Valkyrie Carbon Splitter with Dual Dive Planes. Our Carbon Splitter adds the front downforce needed to really take advantage of the Valkyrie Swan Neck Rear Wing. With the 718 GT4RS Splitter added to a car...

The Dundon Motorsports 718 GT4RS Performance Package is an all-encompassing upgrade designed to transform your Porsche 718 GT4RS into a high-performance powerhouse. Combining advanced power enhancements, precise suspension tuning, cutting-edge aerodynamics, superior wheels, and high-performance brakes, this package ensures your vehicle performs at its...

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...

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.

In our testing on the 718 GT4 and 4RS we've found an even softer setting that stock soft made the car even better.  They also work well on the 991.1 and 991.2 GT3.  Simple Robust Design.  All Hardware included.  

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:...

Bring your 3.4L Boxster or Cayman to the next level with our Intake Runners. When combined with our race headers and custom tune, you'll see gains of 60+hp and 40+trq at the wheels!

Using science and engineering to increase performance is what we do.  The Dundon 981/991 3.8L Intake Runners are no exception. Through careful design of the intake runner geometry we were able to add 30+ peak wheel horsepower on top of our already potent race headers and...

Dundon Motorsports is proud to offer a stunning and functional bit of aerodynamic aid for your GT4, a carbon fiber Gurney Flap.  This allows for additional downforce with limited increase in drag. We offer the Gurney Flap in Gloss or Matte clear. 

 Includes: Cobb Accessport - $1495 Dundon ProTune - $795

Dundon 981 GT4 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. 

18 - Stainless Steel Studs 18 - Serrated Flange Lock Nuts 4 - 30mm long bolts 4 - distorted flange lock nuts 2 - 2.5" v-band gaskets 10 - Stainless Steel Conical Springs

We’re proud to offer the strongest, safest, best designed 981 and 718 / GT4 Porsche Cayman bolt in roll bar on the market. We design all our bars with safety as the first concern. Don’t fall for the less expensive bars on the market....