1. Eliminates the OPF  2. No Check Engine Lights, and no tuning required  3. Significant power and torque gains: +31whp/+55wtrq! 4. Weight savings over stock: 321 Stainless Steel Muffler version: 10 lbs lighter than stock Titanium Muffler: 25 lbs lighter than stock Inconel 625...

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

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

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...

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

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 power, great sound, quiet when you want it to...

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...

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 a precise...

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 the 992 GT3's already formidable handling, while adding adjustability and forgiveness. We help make the car easier to drive...

Foundational Part

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

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 Race Header equipped car, this airbox is good for about...

The Complete Dundon aero package for the 718 GT4RS was designed to increase downforce while minimizing the drag coefficient. Using Computational Fluid Dynamics (CFD) allowed us to make a complete package, swan neck wing, dual carbon dive planes and front carbon splitter tailored to...

Our Valkyrie Carbon Fiber Swan Neck Wing package for the 718 GT4RS helps bring much-needed downforce to the GT4RS platform. The three dimensional design (including the end plates) makes the wing incredibly efficient, adding downforce with minimal drag penalty. Full pre-preg Carbon Fiber construction...

The 992 GT3 and 991.2 Speedster mark a drastic departure in exhaust configuration when compared with the last 15+ years of 911 GT3. Gone are the large side mufflers and nearly universal center muffler. The 992 platform has a gigantic and complicated center muffler...