PERRIN Gurney Flap - 2015-2021 WRX/STi Crank Pulley 21mm Turbine Wheel Exducer

21mm Turbine Wheel Exducer

390×270×100 mm

an engine's cooling system will have the added heat capacity

Genuine OEM Mitsubishi factory replacement driveshaft to rear end nut and bolt kit for DSM & Evo 7/8/9

GVR4 and 1G/2G DSM

PERRIN Gurney Flap - 2015-2021 WRX/STi Crank Pulley 21mm Turbine Wheel ExducerVehicle 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