Get better aero performance on your 718 GT4. One key factor the car lacks is meaningful downforce.  Designed using Wind Tunnel Validated CFD and rigorously tested, the Dundon Complete Aero Package gives your 718 GT4 at least 4X more downforce and the driver more confidence to go...

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

Add major downforce and performance with our 718 GT4 carbon swan neck wing and carbon dual dive planes. This package gives big downforce and major confidence to the 718 GT4 driver!  

Originally designed for professional racing teams competing in the IMSA Continental Tire SportsCar Challenge Grand Sport (GS) class, the Forgeline GS1R combines the latest in advanced wheel technology, including one piece forged monoblock construction, motorsport engineered design, and I-beamed spokes. This wheel is engineered...

718 GT4 Valkyrie Carbon Splitter! Complete your Dundon GT4 Aero Package with the Valkyrie Carbon Splitter. Our Carbon Splitter adds the front downforce needed to really take advantage of the Valkyrie Swan Neck Rear Wing. With the 718 GT4 Splitter added to a car running our...

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

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...

Holinger (Drexler) Pro Diff for the 981S and GT4

We've been searching for a quality close ratio gear set for the GT4 and found it in Holinger, the manufacturer of gears for Porsche Racing! No modifications to the gear box, direct fit, splined synchros (no more 3rd gear failures) and lower ratios to...

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....

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

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...

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.

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

Why do you need adjustable sway bar end links? To ensure perfect corner-balance and zero pre-load on your sway bars with Dundon Motorsports' NEW adjustable sway bar end link set (front & rear).   When your 981 GT4 or 718 GT4/RS is corner-balanced or even...

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...

We were never happy with the "paste on" wind deflectors and the other styles with plastic "guts" that just either strip out the screw hole and fly off, or debond and fly off.  So we made the ultimate wind deflector for 718/981/991 cars.  CNC machined...

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

Get your 718 GT4 Spyder GTS to sound as it should! Gain 30 HP to the wheels , Lose Weight and get the sounds you're craving, all with a lifetime warranty!  

"Dundon-Spec" rear tie rods to maximize rear tire clearance on your Boxster/Cayman. You know the deal. Quality materials, fine thread adjustments, pinch bolts, teflon-lined heim joints.