Enhance your 2015 SUBARU WRX STI 4D EJ257 with the HKS Cold Air Intake Full Kit VAB. It provides high - performance air intake for better engine efficiency.


Using this HKS cold air intake kit is easy. First, make sure your car engine is cool. Then, carefully remove the old air intake components. Install the new kit following the included instructions. When driving, keep in mind that this kit can improve your engine's air - flow. As for maintenance, check the air filter regularly. If it's dirty, clean or replace it according to the filter's type. Also, avoid water splashing directly onto the intake during heavy rain or when driving through deep puddles to prevent damage.