Get better aero performance on your 718 GT4RS. One key factor the GT4RS lacks is meaningful downforce.Designed using Wind Tunnel Validated CFD and rigorously tested, the Dundon Complete Aero Package gives your 718 GT4RS 4X more downforce and the driver more confidence to go...

GT cars come from the factory with fixed-length sway bar end links. When you change the ride height without adjustable links, you risk a "non-neutral" suspension due to sway bar preload and compromised geometry. When one side sits higher, the sway bar twists to...

Foundational Part

Foundational part. Long version, part of the two-piece race over-axle kit.

The 93mm Throttle Body has 28.6% more area than the 82mm throttle body, while the Dual Reverse Cone Air Filter box adds 380% more filter area to reduce pressure drop and Increase Horsepower! Technical Description Help your 991.1 GT3RS BREATHE!!!We found in our exhaust...

Free up power and add some beauty to your engine bay with the Dundon Motorsports Carbon Fiber Dual Cone Airbox. On a stock car this airbox will free up about 5-7whp. On a Dundon Header equipped car, this airbox is good for about 8-10...

Get the best sounding, most powerful exhaust for your GT4RS. No compromises. Over 3 years in development and 11 Prototypes to get it right. Great Sound, and Great Power without drone! We have spent the last TWO YEARS building, testing, iterating and improving this...

Foundational Part Fits: 718 GT4 718 GT4RS (WITHOUT Dundon Splitter)

Approach your 992 GT3 upgrade journey in the right steps for you and how you use your car!   Our meticulously designed and carefully curated suspension packages are built to give you the improvement and adjustment you need.   These packages will allow for...

We're honored to be partnered with Motion Control Suspension bringing true motorsports dampers to the 992 GT3. Technical Description For a long time you had to sacrifice your street drivability if you wanted to upgrade to a motorsports damper. Not anymore! These dampers improve...

Foundational Part

Our Most Popular Package. Street Headers and Lifetime Muffler! Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991.1 GT3! We were able to keep all of the things that people love about our race headers: less weight more...

Ferodo DS1.11 for 991 GT3 Steel and PCCB Calipers

Package Includes: Street Headers Lifetime Muffler (Quiet or Loud w/ PVD Black or Titanium Tips) Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991.1 GT3! We were able to keep all of the things that people love about...

We based this design on the fabled 997 4.0L GT3RS. It features dual conical air filters from the 4.0RS.On a stock car this airbox will free up about 5-7whp.On a Dundon Race Header equipped car, this airbox is good for about 8-10 whp!Note Fan...

Dial in your 992 GT3 and GT3RS alignment with ease and simplicity. Includes 12 eccentric lock washers/shims. Make adjusting the alignment and setup on your 992 GT3 and GT3RS simple and easy with our eccentric lock washers/shims. These are sized and drilled with eccentric...

Your 992 GT3 gets nearly everything right. The sound isn't one of them. This is the EU/RoW fitment of Dundon Motorsports' Cat-Back Exhaust System: No CEL, No Codes, No tune required, just pure sound! Photographs are illustrative only, production parts will look different. Technical...

Foundational Part

The adapter for the Touring airbox and our 93mm Plenum kit