The Dundon D4 GT4 Clubsport Package is the culmination of our work on perfecting and guiding the pressure waves into and out of the 3.8L Engine. The D4 Clubsport package is all business, no cats, no valves, light and simply powerful!For those looking to...

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. Race Headers are for Non USA or racing vehicles in the US. All Dundon headers are...

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...

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...

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...

Pre-owned kit. Inspected and ready to install. Expect light cosmetic wear.Put a GT3 muffler on your 981 Cayman or Boxster. This adapter kit connects a Dundon-compatible GT3 muffler to any 981 chassis car, and it's the same hardware we use in our D4 GT4...

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...

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! Technical Description With the unique design that doesn’t sacrifice looks, the...

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. Contains multiple shims in various sizes for the front...

Lightweight, strong, easy to install and adjust, our Titanium Tie Rod ends take your Porsche's handling and steering feel to the next level! Technical Description When dialing in a track setup on modern GT Porsches, increasing negative camber is a great way to improve...

The PFC Ultimate Brake Kit for your Porsche. Using the same technology found on the Porsche Motorsport 991 GT3 Cup platform. Motorsport is a great platform not only to push boundaries but to develop high performance components which can then be applied to mixed...

The perfect gear bag to consolidate your driving gear into a single bag that fits perfectly in the “frunk” of your Porsche. With a configurable internal compartment and pockets built specifically to carry your Helmet, HANS Device, Nomex driving gear and shoes, this bag...

Adjustable Tension Arms to remove rubber and make dialing in your alignment, caster and wheel position in the wheel well simple and easy. Technical Description Stock Brake ducts attach directly to the Dundon Tension Arms! No zip ties! No brake duct flopping around. Tension...

Stock 991 GT3 length +3mm front lower inner control arms with longer studs. Extended studs allow for increased negative camber (using more shims than stock studs would allow).

In testing the 991.2 GT3 and RS we found the air intake to be restrictive, the 718 GT4RS shares a VERY similar engine architecture and the restriction at the throttle body is no different.  With the addition of the larger 93mm Throttle Body and...

Get the best sounding, most powerful exhaust for your GT4RS Clubsport. No valves, no muffler, no compromises. You want it LOUD, this is LOUD!! The GT4RS engine is very sensitive to exhaust length, and our tuned-length 321 stainless Clubsport headers are worth +20 hp...

Built for the 718 GT4RS Clubsport: maximum performance and an exhaust note that finally matches that stirring intake sound. This is the header package you've been waiting for.The GT4RS engine is very sensitive to exhaust length. We invested serious development time tuning primary and...