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Based off our work on the 981 GT4/Spyder platform, the familiar 3.8L flat-6 is also found in the 991.1 Carrera S/4S. After finding huge gains on the GT4, we had to dive in to the 911 to see what could be found!


Comprised of our Long Tube Headers and catted, valved rear section, 


Dive Deeper: 


  • Dundon Race Headers - Tuned primary size and length aids in suction wave strength giving our headers the most power. 321 Stainless, fully purged TIG welded construction and a lifetime warranty
  • Dundon Rear Section - our high-flow 200 CSPI catalytic converters and exhaust valves help your Carrera S remain civil in the neighborhood, but scream in the canyons.


Dyno results and sound clips coming soon!