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
991.1/991.2 GT3 K&N High Flow Air Filter
Click on a photo to enlarge.
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 the 991 GT3 the K&N air filters show about 8-9whp gain!