991.1/991.2 GT3, GT3RS, 911R, Cup,

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Testimonials

I'm very happy with it. In terms of affecting the cars outright performance, as such, I cant really say till I've been on the track, strip or Dyno with it - but Ill eat my hat if the car isn't measurably quicker in all situations. On a fast back road run for 150 miles it felts quicker for sure but... read more

Mark, Australia
991 GT3 Race Headers

GT3 321 Side Muffler Deletes for 997/991

$2,495.00

Click on a photo to enlarge.

Availabe in OEM lower flow tube size for stock muffler or 3" lower flow tube size for use with Dundon Lifetime Mufflers

Both Versions offer: 

  • 321Stainless 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!
  • 100% Lifetime Guarantee, including Track Use

3" Lower Flow Path Offers

  • 44% improvement in flow over stock
  • 20% reduction in pressure drop over stock

Use with Black Muffler to have a bullet proof light weight track setup, with no drone

Use with Orange Muffler to have a bullet proof light weight track setup for dB restricted tracks!

Take $500.00 off the package when purchased with a Dundon Lifetime Muffler!

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