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
Dual Reverse Cone Airbox 991 RS
Click on a photo to enlarge.
Dual Reverse Cone Airbox for 991 RS
Stock Filter Area :1.77 ft2
Reverse Dual Cone Filter Area: 6.25 ft2
353% more than stock.
More filter area means slower air speeds through the filters and less pressure drop across the