Dual Reverse Cone Airbox 991 RS
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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
Michael from West Linn, OR
The torque increase exiting corners and down long straights is impressive. I’m so happy I decided on this modification.