PIAA Hyper Arros Bulbs 3900K - H11 53011-SMG-E01 KCA425 allows WRX and STI

KCA425 allows WRX and STI owners to tune geometry from Anti Lift to Anti Dive via a combination of recommended spacers delivering a window of handling behaviour and vehicle set up for the driver's needs

Each bottle contains enough product to coat 4-6 vehicles

The release bearing is the part of the clutch that is most subjected to the harshest conditions

Exoracing offers quick-release bumper kits that are easy to install

As heat is such an issue over extended periods of heavy braking

PIAA Hyper Arros Bulbs 3900K - H11 53011-SMG-E01 KCA425 allows WRX and STIPIAA Hyper Arros bulbs offer a clear 3900K light with up to a 20% increase in light compared to normal bulbs. Sold as a pair.