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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 your specific GT car.


Check out our instructional video on the Loud Muffler and Street Headers at our Help Site: https://help.dundonmotorsports.com/991.1-gt3loud-muffler-and-street-header-installation



38lbft and 50whp gains (with Race Headers)


  • Street Headers
  • OEM Touring Airbox
  • 93mm TB/Center Plenum
  • Optional Lifetime Muffler


Only Race Header/Lifetime Muffler/ Touring Airbox/ 93mm Center Plenum Dyno available.