Upgrade your Subaru’s boost control setup with the ISR Performance Modular Weld On Aluminum Flange Kit, designed specifically for use with the Greddy blow-off valve (BOV). This kit offers a durable, precision-engineered solution to mount your Greddy BOV securely and efficiently, enhancing your turbocharged Subaru’s performance and reliability.

The kit includes two main components: a coped and threaded base that you weld directly onto your charge piping, and a threaded flange that screws onto the base for easy BOV installation and removal. This modular design simplifies maintenance and ensures a tight, leak-free seal. Crafted from lightweight aluminum, the flange kit provides strength without adding unnecessary weight.

Ideal for Subaru WRX, STI, and other turbocharged models, this flange kit is perfect for enthusiasts seeking a clean, professional installation of their Greddy BOV. Trust Subimods for quality Subaru performance parts—upgrade your setup today and experience improved boost response and sound. Shop now to enhance your ride!