150 results found for “Race Headers”

A used version of our most popular 991 exhaust package. Street Headers and Lifetime Muffler! Photos are of the actual system. Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991 GT3/RS! less weight more power, great sound, quiet...

This is the most complete, well-rounded power package around for the 991.2 GT3 4.0L. With careful consideration and many design, engineering and tuning hours, we have extracted impressive power, torque and drive-ability out of the 991.2 GT3 4.0L engine. The best part: no compromises. ...

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...

Enjoy 347 Stainless construction, same high quality valves as used in our battle tested Race Headers. Reduce weight through the elimination of side mufflers, reduce heat on the rear tires and under the decklid, no Drone, and 100% Lifetime Guarantee, including track use. Technical...

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...

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...

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...

An easy way to free up some power in your 991.1 or 991.2 GT3. We recommend changing the airfilter when installing Dundon exhaust packages to reduce pumping losses and free up as much power as possible! In conjunction with the Dundon Race Headers on...

Bring your 3.4L Boxster or Cayman to the next level with our Intake Runners. When combined with our race headers and custom tune, you'll see gains of 60+hp and 40+trq at the wheels! Using science and engineering to increase performance is what we do....

Our Street Headers combine tuned-length primaries with high-flow catalytic converters to give your 996 GT3 more power, torque and sound!   Add our Lifetime Loud Muffler and you get the perfect combination: The Porsche howl we all love and drone-free motoring.

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...

The Street Power Package is for street driven GT4's and Spyders and includes 200 CPSI Cats and retains exhaust valves. You can choose to purchase a 997/991 GT3 muffler on your own, or purchase a lifetime muffler in Loud or Quiet with PVD Black...

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...

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...

Everything you need to bolt a Dundon Titanium GT3 muffler to your car. Replacing crushed gaskets and stretched lock nuts, or installing a muffler you bought used or moved to a new car? This is the kit.Kit includes: Flanges: 2.5" for stock headers or...