Simply unplug and unbolt your OEM Valve

This center cap originally fits: JR11 (15"-18")

Both high and low boost settings are fully adjustable

} Xtreme Motorsport 200mm twin plate

The fresh air valve allows for incoming charged fresh air from the turbo to be diverted safely into the exhaust manifold pre-turbine wheel with the throttle at low opening angles to allow for safer spooling of the turbocharger without the potentially damaging throttle based late combustion event style anti-lag that can induce high engine stresses and break connecting rods

Toyota Corolla Altis ZRE142 AZE141 (08-12) 6/5kg.mm JR39 Simply unplug and unbolt yourInverted Shock Camber Pillowball Top Mount Inverted Shock Camber Pillowball Top Mount 6 5kg. mm