Blow Off Valve for Subaru Legacy BP/BL and Mazdaspeed 3 or 6 CX7 SUV

A bolt on atmosheric Blow off valve for the Subaru Legacy BP/BL and Mazdaspeed 3 or 6 & CX-7 SUV. Available in Polished Alloy finish only.   In The Box: 1 x FMDVMAZ301 Valve 1 x Uprated Blue Spring 1 x Uprated Red Spring 1 x 40mm Hose Clamp 1 x 28mm Blanking Plug 1 x Forge Sticker If you wish to tune this product to fit the needs of your engine, please see the spring tuning kits below.