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
997.2 GT3RS 3.8L Dual Cone Carbon Fiber Airbox
Click on a photo to enlarge.
Dundon Motorsports Dual Cone Carbon Air box for the 997.2 GT3RS or for cars with Cup style decklids. Has Porsche factory 4.0RS filters included
On stock cars adds about 5-8whp
On Dundon Header equipped cars adds 8-10whp.