PERRIN Gurney Flap - 2015-2021 WRX/STi BMW This solenoid can make micro-adjustments

This solenoid can make micro-adjustments at the edge of target boost not only providing better spool

• Available in 2

500 RPM with as much as 12

Cap with seal

We recommend all Evo X owners who upgrade their clutches run this CMC

PERRIN Gurney Flap - 2015-2021 WRX/STi BMW This solenoid can make micro-adjustmentsVehicle Fitment: 2015 2021 WRX & STi INCREASE DOWNFORCE AND PERFORMANCE After sending the PERRIN Gurney Flap in for professional flow analysis, it was determined that it decreases overall lift of the car while only slightly increasing drag. This means the aerodynamic efficiency of the system is increased. Analysis has shown the PERRIN Gurney Flap increases downforce by 35 lbs. at 75 mph, 62 lbs. at 100 mph, and nearly 100 lbs. at 125 mph. AGGRESSIVE