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This solenoid can make micro-adjustments at the edge of target boost not only providing better spool
The PERRIN Coolant Overflow Tank is protected from the elements by a black texture powder coating
K&N 69 Series Typhoon cold air intake system for Evo X is designed with a custom air box to keep hot engine temps away from the air filter
Mounting kits and hardware are sold separately
• Available in 2
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
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