Upgrade your 2015-2021 Subaru WRX with the IAG Performance Street Series AOS Replacement Hose Line & Hardware Install Kit, designed to maintain optimal crankcase ventilation and Air/Oil Separator (AOS) performance. This premium kit ensures your engine runs smoothly by replacing worn or damaged hoses and hardware, restoring your AOS system’s reliability and efficiency.

The kit includes all hoses, lines, and hardware originally supplied with the IAG V2 Street Series AOS, making it a perfect fit for 2015-2020 WRX models. Please note it excludes the upper Street Series breather fitting and ECU relocation bracket and is not compatible with the V3 AOS. Engineered for Subaru enthusiasts focused on maintenance and performance, this kit helps keep your WRX running clean and reliable.

Ideal for Subaru WRX owners seeking quality replacement parts, this kit supports long-term engine health and performance. Shop with confidence at Subimods, your trusted source for Subaru aftermarket parts and accessories.