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! Technical Description From our blog post on the 718 GT4 Street Headers: This...

The Street Power Package is for street driven GT4's and Spyders and includes 200 CPSI Cats and retains exhaust valves. You can choose to purchase a 997/991 GT3 muffler on your own, or purchase a lifetime muffler in Loud or Quiet with PVD Black...

Our GT3 Muffler Adapter kit comes with everything you need to mount a GT3 muffler on your 981 except the muffler and tips! Improve the sound and performance of your 981 Boxster or Cayman with our GT3-style muffler adapter. In stock form, the 981...

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...

Includes: Cobb Accessport and Dundon ProTune. Dundon Motorsports is happy to provide the Cobb Accessport for the 981 GT4/Spyder. We're Cobb Pro Tuners and have developed a great tune for the Dundon GT4/Spyder Race Headers.Gains Over Stock including GT4/Spyder Race Headers and Dundon Pro...

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.

We've been searching for a quality 3rd gear replacement for the GT4 and found it in Holinger, the manufacturer of gears for Porsche Racing! A replacement to the weak and poorly designed factory 3rd gear in the GT4. Synchro dog-rings are splined to the...

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

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...

Only weighs 35 lbs!! We use 1.75″ x .095″ wall Chromoly Roll Bar tubing Tig welded Instructions and interior cutout templates included. Very minimal modification needed. Rear points mount to vehicle shock towers, main hoop mounts to upper bulkhead factory mounts. no drilling into...

Dundon Sub-Belt Mount Set - For 981/991/718/992 Bucket Seats Enables the use of 6-point harnesses by providing an attachment point for the sub-belts.

Keep your harnesses rolled up nice and neat. Our Harness Reels are available in 1.5" (typical aftermarket bar size) and 41mm (typically Porsche Club Sport bar size). All are anodized black

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

The Dundon D4 Package is the culmination of our work on perfecting and guiding the pressure waves into and out of the 3.4L Engine resulting in 40lbft max gains over stock and 62whp at 7000rpm. The Street Power Package is for street driven Boxsters...

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....

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: Cobb...

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. All Dundon headers are made with 321SS, the advantages of this are numerous and include, better fitment,...

We're honored to be the exclusive partner of Motion Control Suspension bringing true motorsports dampers to the GT4 Platform. Technical Description For a long time you had to sacrifice your street drivability if you wanted to upgrade to a motorsports damper. No longer! Our...

The dive planes for the Porsche 718 GT4 were specifically designed to increase front-end downforce, increase the high-pressure airflow to the factory intake duct, and to keep drag increase minimal.  They produce a safe aero balance with or without the addition of our rear...

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...