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! Technical Description We were able to...

Add Power and great sound and experience your Porsche's true capabilities with the Dundon Power Package. Intentionally designed to bring big power with and distinct sound we all love, this kit is perfectly tailored to add more muscle, better sound, and increased performance to...

Our Most Popular Package. Street Headers and Lifetime Muffler!Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991.2 GT3RS! We were able to keep all of the things that people love about our race headers: less weight more power,...

You Want Great Sound?You Want Drone Free?You Want the LIGHTEST muffler for your Porsche? We've got what you're looking for! Our Titanium Ultralight GT3 Muffler is all of the above, with a signature Titanium shriek at high rpm, and no bleeding ears on the...