Do you want more power for your Porsche? The Dundon 997 Resonance Intake Manifold is the perfect way to add some extra horsepower to your car. Our intake manifold will increase engine performance and give you a smoother, quicker acceleration. It's also designed with...

Want less weight, more power, great sound, and no drone for your 991.1 GT3? You've found it in our Long Tube Street Header Exhaust System.

Less weight, more power, great sound, no drone, and no CEL. This is the Dundon Long Tube Street Header Exhaust. 

Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991GT3 991 GT3RS and 911R are available now! *Muffler shown is not included with the system, only to see how the system goes together!!  

Achieve 50lbft and almost 20whp gains on your 991.2 GT3 Touring with our Long Tube Street Header Exhaust System.   

Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991 GT3RS and 911R are available now!   * Muffler shown is not included with the system, only to see how the system goes together! 

Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 997.1 GT3 are available now! We were able to keep all of the things that people love about our race headers: scroll down to learn more!

Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 997.1 GT3 and GT3RS are available now! We were able to keep all of the things that people love about our race headers; keep scrolling! *V2.0 Headers shown - Updated...

Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 997.2 GT3 are available now! We were able to keep all of the things that people love about our race headers: scroll down to learn more! *V2.0 Headers shown - ...

Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 997.2 GT3RS are available now! We were able to keep all of the things that people love about our race headers: scroll down to learn more! *V2.0 Headers shown -...

992 GT3 Valkyrie Carbon Splitter! Complete your Dundon 992 GT3 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 992 GT3 Splitter added to a...

ONLY FOR 991.2 GT3RS with our Swan Neck Rear Wing. Adding this to a car with stock rear wing will make the car unstable due to too much front downforce. Add much needed front downforce to your GT3RS. Designed to complement the 991 GT3RS Swan Neck...

Let your 991.2 GT3 breathe better fresh air with our full intake kit. Increase performance and sound with increased air flow, capacity and larger throttle body.

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!  

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!

The 93mm Throttle Body has 28.6% more area than the 82mm throttle body, while the Dual Reverse Cone Airbox has 380% more Filter area that the flat panel OEM air box. Less pressure drop means more horsepower!

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...

To go faster on track you need to corner faster, brake quicker and be able to put the power down more efficiently. This is why efficient aerodynamics are key. You will have more confidence, have more fun on track and set faster lap times...

Add 250% more Downforce to your 992 GT3 with our Valkyrie 992 GT3 Carbon Fiber Swan Neck Wing Focusing on your Porsche 911 Aerodynamics just as the factory did on the 992 GT3RS will really help the car be planted and more confidence inspiring...

Dramatically improve rear end grip at speed with our GT4RS 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...